Adds Codacy-Badge

README.md

@@ -2,6 +2,7 @@
 [![Coverage Status](https://coveralls.io/repos/github/heiglandreas/gamification/badge.svg)](https://coveralls.io/github/heiglandreas/gamification)
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/heiglandreas/gamification/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/heiglandreas/gamification/?branch=master)
 [![Code Climate](https://codeclimate.com/github/heiglandreas/gamification/badges/gpa.svg)](https://codeclimate.com/github/heiglandreas/gamification)
+[![Codacy Badge](https://api.codacy.com/project/badge/Grade/07aee99c4b54437fbd6aeed6d109b55b)](https://www.codacy.com/app/github_70/gamification?utm_source=github.com&utm_medium=referral&utm_content=heiglandreas/gamification&utm_campaign=Badge_Grade)
 
 # gamification
 Repository for the talk "Gamify your growth as developer"