Add git url to npm homepage.

Author: lucasconstantino

package.json

@@ -3,6 +3,7 @@
   "version": "0.0.1",
   "description": "An AngularJS wrapper arround the slug library",
   "main": "angular-slug.js",
+  "homepage": "https://github.com/lucasconstantino/angular-slug",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },