Use NPM instead of yarn

Author: kisenka

README.md

@@ -0,0 +1,15 @@
+Install dependencies
+
+```bash
+npm install
+```
+
+Clone & link css-loader
+
+```bash
+git clone git@github.com:kisenka/css-loader.git -b convert-to-commonjs-modules
+cd css-loader
+yarn link
+cd ..
+yarn link css-loader
+```