Update README.md

Added documentation link.

Author: janithb

README.md

@@ -6,7 +6,8 @@ For more information please visit:
 http://mechanizedspace.com/audit4j
 
 For usage, api-guide and development please visit:
+http://www.mechanizedspace.com/audit4j/documentation
 http://mechanizedspace.com/audit4j/core
 
 For contribute, please visit: 
-http://mechanizedspace.com/audit4j/development
+http://mechanizedspace.com/audit4j/development