docs: added waffle badge

README.md

@@ -12,7 +12,8 @@
 [![Codacy Badge](https://img.shields.io/codacy/grade/1d0217a3153c4595bdedb322263e55c8/master.svg?style=flat)](https://www.codacy.com/app/Requarks/wiki)
 [![Standard - JavaScript Style Guide](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](http://standardjs.com/)
 [![Chat on Gitter](https://img.shields.io/badge/chat-on_gitter-CC2B5E.svg?style=flat&logo=image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAOCAMAAADUg/YpAAAABlBMVEUAAAD///%2Bl2Z/dAAAAAXRSTlMAQObYZgAAABVJREFUeAFjwAUYYTQByAAh0WicAAAFnwAYeB5bLwAAAABJRU5ErkJggg==)](https://gitter.im/Requarks/wiki)
-[![Twitter Follow](https://img.shields.io/badge/follow-%40requarks-blue.svg?style=flat)](https://twitter.com/requarks)
+[![Twitter Follow](https://img.shields.io/badge/follow-%40requarks-blue.svg?style=flat)](https://twitter.com/requarks)  
+[![Planning Board](https://badge.waffle.io/Requarks/wiki.svg?columns=all)](https://waffle.io/Requarks/wiki)
 
 ##### A modern, lightweight and powerful wiki app built on NodeJS, Git and Markdown