add Stefan to further contributors [skip ci]

naraesk · web-flow · commit a724c646f416 · 2018-01-23T18:12:35.000+01:00
diff --git a/README.md b/README.md
@@ -40,6 +40,7 @@ Many thanks to all the contributors who have improved Getaviz by implementing ne
 
 * Denise Zilch
 * André Naumann
+* Stefan Faulhaber
 
 ## How do I get set up? ###
 
