Add climate and coverage badges

Author: Ruben Bridgewater

README.md

@@ -1,6 +1,8 @@
 # Redis Commands
 
 [![Build Status](https://travis-ci.org/NodeRedis/redis-commands.png?branch=master)](https://travis-ci.org/NodeRedis/redis-commands)
+[![Code Climate](https://codeclimate.com/github/NodeRedis/redis-commands/badges/gpa.svg)](https://codeclimate.com/github/NodeRedis/redis-commands)
+[![Test Coverage](https://codeclimate.com/github/NodeRedis/redis-commands/badges/coverage.svg)](https://codeclimate.com/github/NodeRedis/redis-commands/coverage)
 
 This module exports all the commands that Redis supports.