add link to doc site

Author: catmando

README.md

@@ -10,6 +10,8 @@
 It lets you write reactive UI components, with Ruby's elegance using the tried
 and true React.js engine. :heart:
 
+[**Visit Our Documentation Site For The Full Story**](https://reactive-ruby.github.io)
+
 ### What's this Reactive Ruby?
 
 Reactive Ruby started as a fork of the original react.rb gem, and has since been