Merge pull request #37 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md

Author: shana

Diff for: README.md

@@ -1,5 +1,7 @@
 # GitHub for Unity
 
+[![Join the chat at https://gitter.im/unity-preview/Lobby](https://badges.gitter.im/unity-preview/Lobby.svg)](https://gitter.im/unity-preview/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
 Welcome to the GitHub for Unity preview!  
 
 The GitHub for Unity extension brings Git and GitHub into Unity, integrating source control into your work with friendly and accessible tools and workflows.