Quick-start-guides.md

 Here you find tutorials that walk you through the first steps with the codes of the JuKKR package:
 
-* [Voronoi and KKRhost](jumu/Quick start)
-* [KKRimp](kkrimp/Quick start)
-* [KKRnano](kkrnano/Quick start)
+* [Voronoi and KKRhost](Quick start KKRhost)
+* [KKRimp](Quick start KKRimp)
+* [KKRnano](Quick start KKRnano)