Update Readme.md [skip ci]

Author: naraesk

README.md

@@ -40,7 +40,7 @@ Many thanks to all the contributors who have improved Getaviz by implementing ne
 
 * Denise Zilch
 * André Naumann
-* Stefan Faulhaber
+* [Stefan Faulhaber](https://github.com/StefanFaulhaber)
 * [Dan Häberlein](https://github.com/dhaeb)
 
 ## How do I get set up? ###