diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 48daf3d..56b2cc7 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -748,6 +748,61 @@
         }
       }
     },
+    "@nuxt/opencollective": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/@nuxt/opencollective/-/opencollective-0.3.3.tgz",
+      "integrity": "sha512-6IKCd+gP0HliixqZT/p8nW3tucD6Sv/u/eR2A9X4rxT/6hXlMzA4GZQzq4d2qnBAwSwGpmKyzkyTjNjrhaA25A==",
+      "requires": {
+        "chalk": "^4.1.0",
+        "consola": "^2.15.0",
+        "node-fetch": "^2.6.7"
+      },
+      "dependencies": {
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+          "version": "4.3.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+          "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+          "requires": {
+            "color-convert": "^2.0.1"
+          }
+        },
+        "chalk": {
+          "version": "4.1.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+          "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
+          "requires": {
+            "ansi-styles": "^4.1.0",
+            "supports-color": "^7.1.0"
+          }
+        },
+        "color-convert": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+          "requires": {
+            "color-name": "~1.1.4"
+          }
+        },
+        "color-name": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
+        },
+        "has-flag": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+          "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ=="
+        },
+        "supports-color": {
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+          "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+          "requires": {
+            "has-flag": "^4.0.0"
+          }
+        }
+      }
+    },
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       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
@@ -816,11 +871,6 @@
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-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
-      "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4="
-    },
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       "resolved": "https://registry.npmjs.org/ansi-html/-/ansi-html-0.0.7.tgz",
@@ -830,12 +880,14 @@
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-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "dev": true
     },
     "ansi-styles": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
+      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+      "dev": true
     },
     "anymatch": {
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@@ -1559,16 +1611,6 @@
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-      "resolved": "https://registry.npmjs.org/babel-polyfill/-/babel-polyfill-6.23.0.tgz",
-      "integrity": "sha1-g2TKYt+Or7gwSZ9pkXdGbDsDSZ0=",
-      "requires": {
-        "babel-runtime": "6.26.0",
-        "core-js": "2.5.3",
-        "regenerator-runtime": "0.10.5"
-      }
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       "resolved": "https://registry.npmjs.org/babel-preset-env/-/babel-preset-env-1.6.1.tgz",
@@ -1639,6 +1681,7 @@
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       "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
+      "dev": true,
       "requires": {
         "core-js": "2.5.3",
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@@ -1647,7 +1690,8 @@
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-          "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg=="
+          "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==",
+          "dev": true
         }
       }
     },
@@ -1824,14 +1868,27 @@
       "integrity": "sha512-/Qe1Q2d1muLEZRX2iCteMQHZBBAm6ZIjJ9FcBYK/xLr05+HvDtBOVBN+Cz7mCNZuy0zr+y5artZHM05W7mIz6g=="
     },
     "bootstrap-vue": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/bootstrap-vue/-/bootstrap-vue-1.4.0.tgz",
-      "integrity": "sha512-JuCwokO+Apm5nuj3h7VT46HIpinzCI0KyeLs5VYjRfuDoz3rTc/Kc/dYIc5a4rMxiObKfhaHqIYYnIklvPEcUQ==",
-      "requires": {
-        "lodash.startcase": "4.4.0",
-        "opencollective": "1.0.3",
-        "popper.js": "1.12.9",
-        "vue-functional-data-merge": "2.0.3"
+      "version": "2.23.1",
+      "resolved": "https://registry.npmjs.org/bootstrap-vue/-/bootstrap-vue-2.23.1.tgz",
+      "integrity": "sha512-SEWkG4LzmMuWjQdSYmAQk1G/oOKm37dtNfjB5kxq0YafnL2W6qUAmeDTcIZVbPiQd2OQlIkWOMPBRGySk/zGsg==",
+      "requires": {
+        "@nuxt/opencollective": "^0.3.2",
+        "bootstrap": "^4.6.1",
+        "popper.js": "^1.16.1",
+        "portal-vue": "^2.1.7",
+        "vue-functional-data-merge": "^3.1.0"
+      },
+      "dependencies": {
+        "bootstrap": {
+          "version": "4.6.2",
+          "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.6.2.tgz",
+          "integrity": "sha512-51Bbp/Uxr9aTuy6ca/8FbFloBUJZLHwnhTcnjIeRn2suQWsWzcuJhGjKDB5eppVte/8oCdOL3VuwxvZDUggwGQ=="
+        },
+        "popper.js": {
+          "version": "1.16.1",
+          "resolved": "https://registry.npmjs.org/popper.js/-/popper.js-1.16.1.tgz",
+          "integrity": "sha512-Wb4p1J4zyFTbM+u6WuO4XstYx4Ky9Cewe4DWrel7B0w6VVICvPwdOpotjzcf6eD8TsckVnIMNONQyPIUFOUbCQ=="
+        }
       }
     },
     "bootswatch": {
@@ -2091,6 +2148,7 @@
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       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+      "dev": true,
       "requires": {
         "ansi-styles": "2.2.1",
         "escape-string-regexp": "1.0.5",
@@ -2099,11 +2157,6 @@
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-      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.4.2.tgz",
-      "integrity": "sha1-tUc7M9yXxCTl2Y3IfVXU2KKci/I="
-    },
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       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-1.7.0.tgz",
@@ -2226,19 +2279,6 @@
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-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
-      "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
-      "requires": {
-        "restore-cursor": "2.0.0"
-      }
-    },
-    "cli-width": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.0.tgz",
-      "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk="
-    },
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       "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
@@ -2398,6 +2438,11 @@
       "integrity": "sha1-sGhzk0vF40T+9hGhlqb6rgruAVo=",
       "dev": true
     },
+    "consola": {
+      "version": "2.15.3",
+      "resolved": "https://registry.npmjs.org/consola/-/consola-2.15.3.tgz",
+      "integrity": "sha512-9vAdYbHj6x2fLKC4+oPH0kFzY/orMZyG2Aj+kNylHxKGJ/Ed4dpNyAQYwJOdqO4zdM7XpVHmyejQDcQHrnuXbw=="
+    },
     "console-browserify": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.1.0.tgz",
@@ -2461,7 +2506,8 @@
     "core-js": {
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       "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.3.tgz",
-      "integrity": "sha1-isw4NFgk8W2DZbfJtCWRaOjtYD4="
+      "integrity": "sha1-isw4NFgk8W2DZbfJtCWRaOjtYD4=",
+      "dev": true
     },
     "core-util-is": {
       "version": "1.0.2",
@@ -2482,6 +2528,14 @@
         "os-homedir": "1.0.2",
         "parse-json": "2.2.0",
         "require-from-string": "1.2.1"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
+          "dev": true
+        }
       }
     },
     "create-ecdh": {
@@ -2895,14 +2949,6 @@
       "integrity": "sha1-eePVhlU0aQn+bw9Fpd5oEDspTSA=",
       "dev": true
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-      "version": "0.1.12",
-      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
-      "integrity": "sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=",
-      "requires": {
-        "iconv-lite": "0.4.19"
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       "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-3.4.1.tgz",
@@ -3036,7 +3082,8 @@
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       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
+      "dev": true
     },
     "escope": {
       "version": "3.6.0",
@@ -3222,16 +3269,6 @@
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-      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-2.1.0.tgz",
-      "integrity": "sha512-E44iT5QVOUJBKij4IIV3uvxuNlbKS38Tw1HiupxEIHPv9qtC2PrDYohbXV5U+1jnfIXttny8gUhj+oZvflFlzA==",
-      "requires": {
-        "chardet": "0.4.2",
-        "iconv-lite": "0.4.19",
-        "tmp": "0.0.33"
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       "resolved": "https://registry.npmjs.org/extglob/-/extglob-0.3.2.tgz",
@@ -3268,14 +3305,6 @@
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-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
-      "integrity": "sha1-OrGi0qYsi/tDGgyUy3l6L84nyWI=",
-      "requires": {
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@@ -3443,7 +3472,8 @@
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           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
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@@ -3494,7 +3524,8 @@
         "balanced-match": {
           "version": "0.4.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "bcrypt-pbkdf": {
           "version": "1.0.1",
@@ -3509,6 +3540,7 @@
           "version": "0.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "inherits": "2.0.3"
           }
@@ -3517,6 +3549,7 @@
           "version": "2.10.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -3525,6 +3558,7 @@
           "version": "1.1.7",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -3533,7 +3567,8 @@
         "buffer-shims": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "caseless": {
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@@ -3550,12 +3585,14 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -3563,22 +3600,26 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "core-util-is": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "cryptiles": {
           "version": "2.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "boom": "2.10.1"
           }
@@ -3618,7 +3659,8 @@
         "delayed-stream": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "delegates": {
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@@ -3650,7 +3692,8 @@
         "extsprintf": {
           "version": "1.0.2",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3672,12 +3715,14 @@
         "fs.realpath": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "fstream": {
           "version": "1.0.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -3733,6 +3778,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -3745,7 +3791,8 @@
         "graceful-fs": {
           "version": "4.1.11",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.0.5",
@@ -3773,6 +3820,7 @@
           "version": "3.1.3",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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             "cryptiles": "2.0.5",
@@ -3783,7 +3831,8 @@
         "hoek": {
           "version": "2.16.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
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           "version": "1.1.1",
@@ -3800,6 +3849,7 @@
           "version": "1.0.6",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "once": "1.4.0",
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@@ -3808,7 +3858,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.3.4",
@@ -3820,6 +3871,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -3833,7 +3885,8 @@
         "isarray": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3906,12 +3959,14 @@
         "mime-db": {
           "version": "1.27.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mime-types": {
           "version": "2.1.15",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -3920,22 +3975,17 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
         },
         "minimist": {
-          "version": "0.0.8",
-          "bundled": true,
-          "dev": true
-        },
-        "mkdirp": {
-          "version": "0.5.1",
-          "bundled": true,
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
           "dev": true,
-          "requires": {
-            "minimist": "0.0.8"
-          }
+          "optional": true
         },
         "ms": {
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@@ -3987,7 +4037,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "oauth-sign": {
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       "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-1.0.0.tgz",
@@ -8793,9 +8767,9 @@
       "integrity": "sha1-D+Wmnx7bCaHNbEp/iMdNL7f+F3g="
     },
     "vue-functional-data-merge": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/vue-functional-data-merge/-/vue-functional-data-merge-2.0.3.tgz",
-      "integrity": "sha512-xclcH7PPYZioT2fCknfJh8bxZO5DRecPyHzUVujo8PTucIlE9AwaCLZEhlQS3ideMZAIONqaMN+eMROIX1Ycxw=="
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/vue-functional-data-merge/-/vue-functional-data-merge-3.1.0.tgz",
+      "integrity": "sha512-leT4kdJVQyeZNY1kmnS1xiUlQ9z1B/kdBFCILIjYYQDqZgLqCLa0UhjSSeRX6c3mUe6U5qYeM8LrEqkHJ1B4LA=="
     },
     "vue-highlightjs": {
       "version": "1.3.3",
@@ -8953,6 +8927,11 @@
         "minimalistic-assert": "1.0.0"
       }
     },
+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
+    },
     "webpack": {
       "version": "3.10.0",
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-3.10.0.tgz",
@@ -9597,6 +9576,15 @@
       "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
       "dev": true
     },
+    "whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "requires": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "whet.extend": {
       "version": "0.9.9",
       "resolved": "https://registry.npmjs.org/whet.extend/-/whet.extend-0.9.9.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 57a2a95..d8b674a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "axios": "^0.17.1",
     "bootstrap": "^4.0.0-beta.2",
-    "bootstrap-vue": "^1.3.0",
+    "bootstrap-vue": "^2.23.1",
     "bootswatch": "^4.0.0-beta.2",
     "highlight.js": "^9.12.0",
     "vue": "^2.4.4",