Add Codacy Badge

README.md

@@ -158,6 +158,7 @@ Easy one click install right from your Ubuntu Desktop (coming soon)
 # About Rocket.Chat
 
 [![Build Status](https://img.shields.io/travis/RocketChat/Rocket.Chat/master.svg)](https://travis-ci.org/RocketChat/Rocket.Chat)
+[![Codacy Badge](https://api.codacy.com/project/badge/grade/8580571ba024426d9649e9ab389bd5dd)](https://www.codacy.com/app/RocketChat/Rocket-Chat)
 [![Coverage Status](https://coveralls.io/repos/RocketChat/Rocket.Chat/badge.svg)](https://coveralls.io/r/RocketChat/Rocket.Chat)
 [![Code Climate](https://codeclimate.com/github/RocketChat/Rocket.Chat/badges/gpa.svg)](https://codeclimate.com/github/RocketChat/Rocket.Chat)
 [![MIT License](https://img.shields.io/badge/license-MIT-blue.svg?style=flat)](https://github.com/RocketChat/Rocket.Chat/raw/master/LICENSE)