added package.json keywords and JS example

Author: ntharim

README.md

@@ -26,4 +26,21 @@ Example webpack configuration:
     { test: /\.js$/, loader: 'babel' },
   ],
 }
+```
+
+Now you can write CSS in JS:
+
+```js
+import { minWidth } from './utils/media';
+import { lap } from './breakpoints';
+
+export default {  
+  '.root': {
+    background: 'blue',
+
+    [minWidth(lap)]: {
+      background: 'red',
+    },
+  },
+};
 ```

package.json

@@ -9,6 +9,13 @@
     "postcss-js": "^0.1.1",
     "webpack": "^1.12.9"
   },
+  "keywords": [
+    "webpack",
+    "css",
+    "js",
+    "postcss",
+    "css in js"
+  ],
   "repository": {
     "type": "git",
     "url": "git+ssh://git@github.com/nthtran/css-in-js-loader.git"