docs: add new build script

README.md

@@ -8,7 +8,7 @@ https://chrome.google.com/webstore/detail/ighdmehidhipcmcojjgiloacoafjmpfk
 
 1. Clone the repository: `git clone git://github.com/angular/angularjs-batarang`
 2. Install the bower dependencies: `bower install`
-3. Build the inject script: `node scripts/inline.js`
+3. Build the inject script: `npm run build`
 4. Navigate to `chrome://chrome/extensions/` and enable Developer Mode.
 5. Choose "Load unpacked extension"
 6. In the dialog, open the directory you just cloned.

package.json

@@ -8,7 +8,8 @@
   },
   "devDependencies": {},
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "browserify hint.js -o hint.bundle.js"
   },
   "repository": {
     "type": "git",