chore(readme): added cz badge

dotansimha · dotansimha · commit 7961891e13b1 · 2016-12-14T12:40:02.000+02:00
diff --git a/README.md b/README.md
@@ -1,5 +1,7 @@
 # GraphQL Code Generator
 
+[![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)
+
 ## Overview
 
 ## Installation
