docs(badge): added code-beat badge

Author: Naga Elluri

README.md

@@ -2,6 +2,7 @@
 
 [![Build Status](https://travis-ci.org/deis/workflow-cli.svg?branch=master)](https://travis-ci.org/deis/workflow-cli)
 [![Go Report Card](http://goreportcard.com/badge/deis/workflow-cli)](http://goreportcard.com/report/deis/workflow-cli)
+[![codebeat badge](https://codebeat.co/badges/05d314a8-ca61-4211-b69e-e7a3033662c8)](https://codebeat.co/projects/github-com-deis-workflow-cli)
 [![Download](https://api.bintray.com/packages/deis/deisci/deis/images/download.svg)](https://bintray.com/deis/deisci/deis/_latestVersion)
 
 `deis` is a command line utility used to interact with the [Deis](http://deis.io) open source PaaS.