init: add readme

Author: clarkdo

readme.md

@@ -0,0 +1,34 @@
+# postcss-import-resolver
+
+[![JavaScript Style Guide](https://cdn.rawgit.com/standard/standard/master/badge.svg)](https://github.com/standard/standard)
+
+## Installation
+
+``` bash
+$ npm install --save postcss-import-resolver
+
+# or
+
+$ yarn add postcss-import-resolver
+```
+
+## Usage (Webpack)
+
+```js
+const resolver = require('postcss-import-resolver')
+const postcssLoader = {
+  loader: 'postcss-loader',
+  options: {
+    plugins: {
+      'postcss-import': {
+        resolve: resolver({
+          alias: {
+            '~': 'src/'
+          },
+          modules: ['node_modules']
+        })
+      }
+    }
+  }
+}
+```