Adding discussion section in readme

README.md

@@ -10,6 +10,12 @@ Jint is a __Javascript interpreter__ for .NET which provides full __ECMA 5.1__ c
 - .NET Portable Class Library - http://msdn.microsoft.com/en-us/library/gg597391(v=vs.110).aspx
 - .NET Interoperability 
 
+# Discussion
+
+[![Join the chat at https://gitter.im/sebastienros/jint](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/sebastienros/jint)
+
+Or post your questions with the `jint` tag on [stackoverflow](http://stackoverflow.com/questions/tagged/jint).
+
 # Examples
 
 This example defines a new value named `log` pointing to `Console.WriteLine`, then executes