Merge pull request hestiacp#862 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md

Author: SysVoid

README.md

@@ -1,6 +1,8 @@
 [Vesta Control Panel](http://vestacp.com/)
 ==================================================
 
+[![Join the chat at https://gitter.im/vesta-cp/Lobby](https://badges.gitter.im/vesta-cp/Lobby.svg)](https://gitter.im/vesta-cp/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
 * Vesta is an open source hosting control panel.
 * Vesta has a clean and focused interface without the clutter.
 * Vesta has the latest of very innovative technologies.