diff --git a/package.json b/package.json
index 453dbc3..99e0609 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "react-dom": "^16.8.6",
     "react-quill": "^1.3.3",
     "react-scripts": "^2.1.3",
-    "yjs": "^13.0.0-78"
+    "yjs": "^13.0.4"
   },
   "scripts": {
     "start": "react-scripts start",
diff --git a/yarn.lock b/yarn.lock
index 38e7bb7..5cd6347 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1448,13 +1448,6 @@ abbrev@1:
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
   integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
 
-abstract-leveldown@^5.0.0, abstract-leveldown@~5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-5.0.0.tgz#f7128e1f86ccabf7d2893077ce5d06d798e386c6"
-  integrity sha512-5mU5P1gXtsMIXg65/rsYGsi93+MlogXZ9FA8JnwKurHQg64bfXwGYVdVdijNTVNOlAsuIiOwHdvFFD5JqCJQ7A==
-  dependencies:
-    xtend "~4.0.0"
-
 accepts@~1.3.4, accepts@~1.3.5:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.5.tgz#eb777df6011723a3b14e8a72c0805c8e86746bd2"
@@ -2142,19 +2135,6 @@ binary-extensions@^1.0.0:
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.12.0.tgz#c2d780f53d45bba8317a8902d4ceeaf3a6385b14"
   integrity sha512-DYWGk01lDcxeS/K9IHPGWfT8PsJmbXRtRd2Sx72Tnb8pcYZQFF1oSDb8hJtS1vhp212q1Rzi5dUf9+nq0o9UIg==
 
-bindings@~1.3.0:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.3.1.tgz#21fc7c6d67c18516ec5aaa2815b145ff77b26ea5"
-  integrity sha512-i47mqjF9UbjxJhxGf+pZ6kSxrnI3wBLlnGI2ArWJ4r0VrvDS7ZYXkprq/pLaBWYq4GM0r4zdHY+NNRqEMU7uew==
-
-bl@^1.0.0:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
-  integrity sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==
-  dependencies:
-    readable-stream "^2.3.5"
-    safe-buffer "^5.1.1"
-
 bluebird@^3.5.1, bluebird@^3.5.3:
   version "3.5.3"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
@@ -2341,24 +2321,6 @@ bser@^2.0.0:
   dependencies:
     node-int64 "^0.4.0"
 
-buffer-alloc-unsafe@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
-  integrity sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg==
-
-buffer-alloc@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/buffer-alloc/-/buffer-alloc-1.2.0.tgz#890dd90d923a873e08e10e5fd51a57e5b7cce0ec"
-  integrity sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==
-  dependencies:
-    buffer-alloc-unsafe "^1.1.0"
-    buffer-fill "^1.0.0"
-
-buffer-fill@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/buffer-fill/-/buffer-fill-1.0.0.tgz#f8f78b76789888ef39f205cd637f68e702122b2c"
-  integrity sha1-+PeLdniYiO858gXNY39o5wISKyw=
-
 buffer-from@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
@@ -2581,11 +2543,6 @@ chokidar@^2.0.0, chokidar@^2.0.2, chokidar@^2.0.4:
   optionalDependencies:
     fsevents "^1.2.2"
 
-chownr@^1.0.1:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.3.tgz#42d837d5239688d55f303003a508230fa6727142"
-  integrity sha512-i70fVHhmV3DtTl6nqvZOnIjbY0Pe4kAUjwHj8z0zAdgBtYrJyYwLKCCuRBQ5ppkyL0AkN7HKRnETdmdp1zqNXw==
-
 chownr@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
@@ -3353,13 +3310,6 @@ decode-uri-component@^0.2.0:
   resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
   integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
 
-decompress-response@^3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/decompress-response/-/decompress-response-3.3.0.tgz#80a4dd323748384bfa248083622aedec982adff3"
-  integrity sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=
-  dependencies:
-    mimic-response "^1.0.0"
-
 deep-equal@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
@@ -3390,14 +3340,6 @@ default-require-extensions@^1.0.0:
   dependencies:
     strip-bom "^2.0.0"
 
-deferred-leveldown@~4.0.0:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-4.0.2.tgz#0b0570087827bf480a23494b398f04c128c19a20"
-  integrity sha512-5fMC8ek8alH16QiV0lTCis610D1Zt1+LA4MS4d63JgS32lrCjTFDUFz2ao09/j2I4Bqb5jL4FZYwu7Jz0XO1ww==
-  dependencies:
-    abstract-leveldown "~5.0.0"
-    inherits "^2.0.3"
-
 define-properties@^1.1.2, define-properties@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
@@ -3474,7 +3416,7 @@ detect-indent@^4.0.0:
   dependencies:
     repeating "^2.0.0"
 
-detect-libc@^1.0.2, detect-libc@^1.0.3:
+detect-libc@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
   integrity sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=
@@ -3709,17 +3651,6 @@ encodeurl@~1.0.2:
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
-encoding-down@~5.0.0:
-  version "5.0.4"
-  resolved "https://registry.yarnpkg.com/encoding-down/-/encoding-down-5.0.4.tgz#1e477da8e9e9d0f7c8293d320044f8b2cd8e9614"
-  integrity sha512-8CIZLDcSKxgzT+zX8ZVfgNbu8Md2wq/iqa1Y7zyVR18QBEAc0Nmzuvj/N5ykSKpfGzjM8qxbaFntLPwnVoUhZw==
-  dependencies:
-    abstract-leveldown "^5.0.0"
-    inherits "^2.0.3"
-    level-codec "^9.0.0"
-    level-errors "^2.0.0"
-    xtend "^4.0.1"
-
 encoding@^0.1.11:
   version "0.1.12"
   resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
@@ -3748,7 +3679,7 @@ entities@~1.1.1:
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
   integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
 
-errno@^0.1.3, errno@~0.1.1, errno@~0.1.7:
+errno@^0.1.3, errno@~0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
   integrity sha512-MfrRBDWzIWifgq6tJj60gkAwtLNb6sQPlcFrSOflcP1aFmmruKQ2wRnze/8V6kgyz7H3FF8Npzv78mZ7XLLflg==
@@ -4116,11 +4047,6 @@ expand-range@^1.8.1:
   dependencies:
     fill-range "^2.1.0"
 
-expand-template@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/expand-template/-/expand-template-2.0.3.tgz#6e14b3fcee0f3a6340ecb57d2e8918692052a47c"
-  integrity sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg==
-
 expect@^23.6.0:
   version "23.6.0"
   resolved "https://registry.yarnpkg.com/expect/-/expect-23.6.0.tgz#1e0c8d3ba9a581c87bd71fb9bc8862d443425f98"
@@ -4246,11 +4172,6 @@ fast-diff@1.1.2:
   resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.1.2.tgz#4b62c42b8e03de3f848460b639079920695d0154"
   integrity sha512-KaJUt+M9t1qaIteSvjc6P3RbMdXsNhK61GRftR6SNxqmhthcd9MGIi4T+o0jD8LUSpSnSKXE20nLtJ3fOHxQig==
 
-fast-future@~1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/fast-future/-/fast-future-1.0.2.tgz#8435a9aaa02d79248d17d704e76259301d99280a"
-  integrity sha1-hDWpqqAteSSNF9cE52JZMB2ZKAo=
-
 fast-glob@^2.0.2:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-2.2.4.tgz#e54f4b66d378040e0e4d6a68ec36bbc5b04363c0"
@@ -4538,11 +4459,6 @@ from2@^2.1.0:
     inherits "^2.0.1"
     readable-stream "^2.0.0"
 
-fs-constants@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
-  integrity sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==
-
 fs-extra@7.0.1, fs-extra@^7.0.0:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-7.0.1.tgz#4f189c44aa123b895f722804f55ea23eadc348e9"
@@ -4649,11 +4565,6 @@ getpass@^0.1.1:
   dependencies:
     assert-plus "^1.0.0"
 
-github-from-package@0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/github-from-package/-/github-from-package-0.0.0.tgz#97fb5d96bfde8973313f20e8288ef9a167fa64ce"
-  integrity sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4=
-
 glob-base@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
@@ -5655,6 +5566,11 @@ isomorphic-fetch@^2.1.1:
     node-fetch "^1.0.1"
     whatwg-fetch ">=0.10.0"
 
+isomorphic.js@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/isomorphic.js/-/isomorphic.js-0.1.3.tgz#b2956e14be3bc10efb5fe80e6b5bebc16e1deeca"
+  integrity sha512-pabBRLDwYefSsNS+qCazJ97o7P5xDTrNoxSYFTM09JlZTxPrOEPGKekwqUy3/Np4C4PHnVUXHYsZPOix0jELsA==
+
 isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
@@ -6319,65 +6235,6 @@ left-pad@^1.3.0:
   resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.3.0.tgz#5b8a3a7765dfe001261dde915589e782f8c94d1e"
   integrity sha512-XI5MPzVNApjAyhQzphX8BkmKsKUxD4LdyK24iZeQGinBN9yTQT3bFlCBy/aVx2HrNcqQGsdot8ghrjyrvMCoEA==
 
-level-codec@^9.0.0:
-  version "9.0.1"
-  resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-9.0.1.tgz#042f4aa85e56d4328ace368c950811ba802b7247"
-  integrity sha512-ajFP0kJ+nyq4i6kptSM+mAvJKLOg1X5FiFPtLG9M5gCEZyBmgDi3FkDrvlMkEzrUn1cWxtvVmrvoS4ASyO/q+Q==
-
-level-errors@^2.0.0, level-errors@~2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-2.0.1.tgz#2132a677bf4e679ce029f517c2f17432800c05c8"
-  integrity sha512-UVprBJXite4gPS+3VznfgDSU8PTRuVX0NXwoWW50KLxd2yw4Y1t2JUR5In1itQnudZqRMT9DlAM3Q//9NCjCFw==
-  dependencies:
-    errno "~0.1.1"
-
-level-iterator-stream@~3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-3.0.1.tgz#2c98a4f8820d87cdacab3132506815419077c730"
-  integrity sha512-nEIQvxEED9yRThxvOrq8Aqziy4EGzrxSZK+QzEFAVuJvQ8glfyZ96GB6BoI4sBbLfjMXm2w4vu3Tkcm9obcY0g==
-  dependencies:
-    inherits "^2.0.1"
-    readable-stream "^2.3.6"
-    xtend "^4.0.0"
-
-level-packager@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/level-packager/-/level-packager-3.1.0.tgz#e617c8633d6ecc2ed40c56d86b75464392fa3ccd"
-  integrity sha512-UxVEfK5WH0u0InR3WxTCSAroiorAGKzXWZT6i+nBjambmvINuXFUsFx2Ai3UIjUUtnyWhluv42jMlzUZCsAk9A==
-  dependencies:
-    encoding-down "~5.0.0"
-    levelup "^3.0.0"
-
-level@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/level/-/level-4.0.0.tgz#86aa46b5430bac12676e693ebff206232ef1e549"
-  integrity sha512-4epzCOlEcJ529NOdlAYiuiakS/kZTDdiKSBNJmE1B8bsmA+zEVwcpxyH86qJSQTpOu7SODrlaD9WgPRHLkGutA==
-  dependencies:
-    level-packager "^3.0.0"
-    leveldown "^4.0.0"
-    opencollective-postinstall "^2.0.0"
-
-leveldown@^4.0.0:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/leveldown/-/leveldown-4.0.2.tgz#632a7795c91be2557e93f5910a5cce39f187387b"
-  integrity sha512-SUgSRTWFh3eeiTdIt2a4Fi9TZO5oWzE9uC/Iw8+fVr1sk8x1S2l151UWwSmrMFZB3GxJhZIf4bQ0n+051Cctpw==
-  dependencies:
-    abstract-leveldown "~5.0.0"
-    bindings "~1.3.0"
-    fast-future "~1.0.2"
-    nan "~2.12.1"
-    prebuild-install "~5.2.4"
-
-levelup@^3.0.0:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/levelup/-/levelup-3.1.1.tgz#c2c0b3be2b4dc316647c53b42e2f559e232d2189"
-  integrity sha512-9N10xRkUU4dShSRRFTBdNaBxofz+PGaIZO962ckboJZiNmLuhVT6FZ6ZKAsICKfUBO76ySaYU6fJWX/jnj3Lcg==
-  dependencies:
-    deferred-leveldown "~4.0.0"
-    level-errors "~2.0.0"
-    level-iterator-stream "~3.0.0"
-    xtend "~4.0.0"
-
 leven@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/leven/-/leven-2.1.0.tgz#c2e7a9f772094dee9d34202ae8acce4687875580"
@@ -6391,6 +6248,13 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
+lib0@^0.2.12:
+  version "0.2.14"
+  resolved "https://registry.yarnpkg.com/lib0/-/lib0-0.2.14.tgz#5d769099e6c79977dea89e672f28a72acf0a7aba"
+  integrity sha512-7xIu/6U1+xQt7dXJZC6qBhTZ6Dm0Hf8hGu09oKHk4V4I0LJASqtCW13Wsr+qvEIZ2Wa5H0U4NnjgTwCNo6MroQ==
+  dependencies:
+    isomorphic.js "^0.1.3"
+
 load-json-file@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
@@ -6727,11 +6591,6 @@ mimic-fn@^1.0.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.2.0.tgz#820c86a39334640e99516928bd03fca88057d022"
   integrity sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==
 
-mimic-response@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
-  integrity sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ==
-
 mini-css-extract-plugin@0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.5.0.tgz#ac0059b02b9692515a637115b0cc9fed3a35c7b0"
@@ -6867,7 +6726,7 @@ mute-stream@0.0.7:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
   integrity sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s=
 
-nan@^2.9.2, nan@~2.12.1:
+nan@^2.9.2:
   version "2.12.1"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.12.1.tgz#7b1aa193e9aa86057e3c7bbd0ac448e770925552"
   integrity sha512-JY7V6lRkStKcKTvHO5NVSQRv+RV+FIL5pvDoLiAtSL9pKlC5x9PKQcZDsq7m4FO4d57mkhC6Z+QhAh3Jdk5JFw==
@@ -6889,11 +6748,6 @@ nanomatch@^1.2.9:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-napi-build-utils@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/napi-build-utils/-/napi-build-utils-1.0.1.tgz#1381a0f92c39d66bf19852e7873432fc2123e508"
-  integrity sha512-boQj1WFgQH3v4clhu3mTNfP+vOBxorDlE8EKiMjUlLG3C4qAESnn9AxIOkFgTR2c9LtzNjPrjS60cT27ZKBhaA==
-
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -6930,13 +6784,6 @@ no-case@^2.2.0:
   dependencies:
     lower-case "^1.1.1"
 
-node-abi@^2.7.0:
-  version "2.12.0"
-  resolved "https://registry.yarnpkg.com/node-abi/-/node-abi-2.12.0.tgz#40e9cfabdda1837863fa825e7dfa0b15686adf6f"
-  integrity sha512-VhPBXCIcvmo/5K8HPmnWJyyhvgKxnHTUMXR/XwGHV68+wrgkzST4UmQrY/XszSWA5dtnXpNp528zkcyJ/pzVcw==
-  dependencies:
-    semver "^5.4.1"
-
 node-fetch@^1.0.1:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
@@ -7024,11 +6871,6 @@ node-releases@^1.1.3:
   dependencies:
     semver "^5.3.0"
 
-noop-logger@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/noop-logger/-/noop-logger-0.1.1.tgz#94a2b1633c4f1317553007d8966fd0e841b6a4c2"
-  integrity sha1-lKKxYzxPExdVMAfYlm/Q6EG2pMI=
-
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -7084,7 +6926,7 @@ npm-run-path@^2.0.0:
   dependencies:
     path-key "^2.0.0"
 
-npmlog@^4.0.1, npmlog@^4.0.2:
+npmlog@^4.0.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
   integrity sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==
@@ -7236,11 +7078,6 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
-opencollective-postinstall@^2.0.0:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/opencollective-postinstall/-/opencollective-postinstall-2.0.2.tgz#5657f1bede69b6e33a45939b061eb53d3c6c3a89"
-  integrity sha512-pVOEP16TrAO2/fjej1IdOyupJY8KDUM1CvsaScRbw6oddvpQoOfGk4ywha0HKKVAD6RkW4x6Q+tNBwhf3Bgpuw==
-
 opn@5.4.0, opn@^5.1.0:
   version "5.4.0"
   resolved "https://registry.yarnpkg.com/opn/-/opn-5.4.0.tgz#cb545e7aab78562beb11aa3bfabc7042e1761035"
@@ -7288,7 +7125,7 @@ os-browserify@^0.3.0:
   resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.3.0.tgz#854373c7f5c2315914fc9bfc6bd8238fdda1ec27"
   integrity sha1-hUNzx/XCMVkU/Jv8a9gjj92h7Cc=
 
-os-homedir@^1.0.0, os-homedir@^1.0.1:
+os-homedir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
   integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
@@ -8275,28 +8112,6 @@ postcss@^7.0.14, postcss@^7.0.6:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-prebuild-install@~5.2.4:
-  version "5.2.5"
-  resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-5.2.5.tgz#c7485911fe98950b7f7cd15bb9daee11b875cc44"
-  integrity sha512-6uZgMVg7yDfqlP5CPurVhtq3hUKBFNufiar4J5hZrlHTo59DDBEtyxw01xCdFss9j0Zb9+qzFVf/s4niayba3w==
-  dependencies:
-    detect-libc "^1.0.3"
-    expand-template "^2.0.3"
-    github-from-package "0.0.0"
-    minimist "^1.2.0"
-    mkdirp "^0.5.1"
-    napi-build-utils "^1.0.1"
-    node-abi "^2.7.0"
-    noop-logger "^0.1.1"
-    npmlog "^4.0.1"
-    os-homedir "^1.0.1"
-    pump "^2.0.1"
-    rc "^1.2.7"
-    simple-get "^2.7.0"
-    tar-fs "^1.13.0"
-    tunnel-agent "^0.6.0"
-    which-pm-runs "^1.0.0"
-
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -8426,15 +8241,7 @@ public-encrypt@^4.0.0:
     randombytes "^2.0.1"
     safe-buffer "^5.1.2"
 
-pump@^1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/pump/-/pump-1.0.3.tgz#5dfe8311c33bbf6fc18261f9f34702c47c08a954"
-  integrity sha512-8k0JupWme55+9tCVE+FS5ULT3K6AbgqrGa58lTT49RpyfwwcGedHqaC5LlQNdEAumn/wFsu6aPwkuPMioy8kqw==
-  dependencies:
-    end-of-stream "^1.1.0"
-    once "^1.3.1"
-
-pump@^2.0.0, pump@^2.0.1:
+pump@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
   integrity sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==
@@ -8753,7 +8560,7 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.0, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@^2.3.6, readable-stream@~2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.6:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
@@ -9390,20 +9197,6 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
-simple-concat@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/simple-concat/-/simple-concat-1.0.0.tgz#7344cbb8b6e26fb27d66b2fc86f9f6d5997521c6"
-  integrity sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY=
-
-simple-get@^2.7.0:
-  version "2.8.1"
-  resolved "https://registry.yarnpkg.com/simple-get/-/simple-get-2.8.1.tgz#0e22e91d4575d87620620bc91308d57a77f44b5d"
-  integrity sha512-lSSHRSw3mQNUGPAYRqo7xy9dhKmxFXIjLjp4KHpf99GEH2VH7C3AM+Qfx6du6jhfUi6Vm7XnbEVEf7Wb6N8jRw==
-  dependencies:
-    decompress-response "^3.3.0"
-    once "^1.3.1"
-    simple-concat "^1.0.0"
-
 simple-swizzle@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/simple-swizzle/-/simple-swizzle-0.2.2.tgz#a4da6b635ffcccca33f70d17cb92592de95e557a"
@@ -9917,29 +9710,6 @@ tapable@^1.0.0, tapable@^1.1.0:
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.1.tgz#4d297923c5a72a42360de2ab52dadfaaec00018e"
   integrity sha512-9I2ydhj8Z9veORCw5PRm4u9uebCn0mcCa6scWoNcbZ6dAtoo2618u9UUzxgmsCOreJpqDDuv61LvwofW7hLcBA==
 
-tar-fs@^1.13.0:
-  version "1.16.3"
-  resolved "https://registry.yarnpkg.com/tar-fs/-/tar-fs-1.16.3.tgz#966a628841da2c4010406a82167cbd5e0c72d509"
-  integrity sha512-NvCeXpYx7OsmOh8zIOP/ebG55zZmxLE0etfWRbWok+q2Qo8x/vOR/IJT1taADXPe+jsiu9axDb3X4B+iIgNlKw==
-  dependencies:
-    chownr "^1.0.1"
-    mkdirp "^0.5.1"
-    pump "^1.0.0"
-    tar-stream "^1.1.2"
-
-tar-stream@^1.1.2:
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.6.2.tgz#8ea55dab37972253d9a9af90fdcd559ae435c555"
-  integrity sha512-rzS0heiNf8Xn7/mpdSVVSMAWAoy9bfb1WOTYC78Z0UQKeKa/CWS8FOq0lKGNa8DWKAn9gxjCvMLYc5PGXYlK2A==
-  dependencies:
-    bl "^1.0.0"
-    buffer-alloc "^1.2.0"
-    end-of-stream "^1.0.0"
-    fs-constants "^1.0.0"
-    readable-stream "^2.3.0"
-    to-buffer "^1.1.1"
-    xtend "^4.0.0"
-
 tar@^4:
   version "4.4.8"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.8.tgz#b19eec3fde2a96e64666df9fdb40c5ca1bc3747d"
@@ -10058,11 +9828,6 @@ to-arraybuffer@^1.0.0:
   resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
   integrity sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M=
 
-to-buffer@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/to-buffer/-/to-buffer-1.1.1.tgz#493bd48f62d7c43fcded313a03dcadb2e1213a80"
-  integrity sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg==
-
 to-fast-properties@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
@@ -10667,11 +10432,6 @@ which-module@^2.0.0:
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
   integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
 
-which-pm-runs@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/which-pm-runs/-/which-pm-runs-1.0.0.tgz#670b3afbc552e0b55df6b7780ca74615f23ad1cb"
-  integrity sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs=
-
 which@^1.2.12, which@^1.2.9, which@^1.3.0, which@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
@@ -10866,13 +10626,6 @@ ws@^5.2.0:
   dependencies:
     async-limiter "~1.0.0"
 
-ws@^6.1.0:
-  version "6.1.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-6.1.2.tgz#3cc7462e98792f0ac679424148903ded3b9c3ad8"
-  integrity sha512-rfUqzvz0WxmSXtJpPMX2EeASXabOrSMk1ruMOV3JBTBjo4ac2lDjGGsbQSyxj8Odhw5fBib8ZKEjDNvgouNKYw==
-  dependencies:
-    async-limiter "~1.0.0"
-
 x-is-string@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/x-is-string/-/x-is-string-0.1.0.tgz#474b50865af3a49a9c4657f05acd145458f77d82"
@@ -10893,11 +10646,6 @@ xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
   integrity sha1-pcbVMr5lbiPbgg77lDofBJmNY68=
 
-xtend@~4.0.0:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
-  integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
-
 y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
@@ -10968,10 +10716,9 @@ yargs@^11.0.0:
     y18n "^3.2.1"
     yargs-parser "^9.0.2"
 
-yjs@^13.0.0-78:
-  version "13.0.0-78"
-  resolved "https://registry.yarnpkg.com/yjs/-/yjs-13.0.0-78.tgz#bfbfdd934b7f9e02cdaba96d735ab6129a9e6831"
-  integrity sha512-Gc3gyvlECrehtMK7iPtrVjt6s65aCO7QS2tgJ6+BJyBIvLHi/IdLjuIRFBcWSTZ8Q4Jrojf/YS3vg6neFt06Vg==
-  optionalDependencies:
-    level "^4.0.0"
-    ws "^6.1.0"
+yjs@^13.0.4:
+  version "13.0.4"
+  resolved "https://registry.yarnpkg.com/yjs/-/yjs-13.0.4.tgz#2c768ce94430a84d9801854826f2694d7665fc31"
+  integrity sha512-baMC0LCS1V1qYQimDmpfevaQNgClpGUM0D56L9R38o0nkhY50P2WQm54t3WVSt5sL8QMcRJUmHu+QXtyNHPziQ==
+  dependencies:
+    lib0 "^0.2.12"