chore(commitizen): Add Commitizen

References #5077

README.md

@@ -1,3 +1,5 @@
+[![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)
+
 # Ionic 2: Alpha
 
 Ionic 2 is the next generation of [Ionic](http://ionicframework.com/), the open-source mobile app development SDK that makes it easy to build top quality mobile apps with web technologies.
@@ -13,5 +15,3 @@ To try Ionic 2 today, visit the [Ionic 2 Docs](http://ionicframework.com/docs/v2
 ### Ionic 2 Examples
 
 There are a few real Ionic 2 apps in the wild. The most complete is the [Ionic Conference App](https://github.com/driftyco/ionic-conference-app), a perfect starting point for building your own conference app.
-
-

package.json

@@ -30,6 +30,7 @@
     "canonical-path": "0.0.2",
     "connect": "^3.3.4",
     "cpr": "^0.4.1",
+    "cz-conventional-changelog": "^1.1.5",
     "del": "~1.1.1",
     "dgeni": "^0.4.1",
     "dgeni-packages": "^0.10.18",
@@ -78,5 +79,10 @@
     "vinyl": "^0.4.6",
     "webpack": "^1.12.2",
     "yargs": "^3.6.0"
+  },
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
   }
-}
+}