Add support webpack via using npm or yarn

.travis.yml

@@ -1,3 +1,4 @@
 language: node_js
 node_js:
-  - 0.10
+  - 8.11
+  - 10.7

Changelog.md

@@ -1,5 +1,10 @@
 # Bemto changelog
 
+## v2.2.0 (2018-07-30)
+
+- Added support webpack, #96.
+- Update dependencies.
+
 ## v2.1.0 (2016-12-26)
 
 - Added support for prefix objects.

README.md

@@ -46,7 +46,25 @@
     include bemto/bemto.pug
     ```
 
-3. Use it:
+### Or install via npm / yarn
+
+1. Install `bemto` to your project:
+
+  ```sh
+  # via npm
+  npm i bemto -D
+
+  # via yarn
+  yarn add bemto -D
+  ```
+
+2. Include it in your `.pug` project:
+
+  ```Pug
+  include (path to node_modules, for example: ../../)node_modules/bemto.pug/bemto_webpack
+  ```
+
+### Use it:
 
     ```Pug
     +b.block1