add screenshot

README.md

@@ -11,6 +11,8 @@ In the meantime take a moment to listen to the music of *Die Streuner*:
 - [Gotta get it Home (Live)](https://www.youtube.com/watch?v=kNxE7Jxk1DY)
 - [Scherenschleiferweise (Knife Grinder's Tune)](https://www.youtube.com/watch?v=Zo7Ckd1Lrmo)
 
+![Screenshot](screenshot.png):wq
+
 # Prerequisites
 - [Löve](https://love2d.org/)
 - [Tiled](http://www.mapeditor.org/) (if you want to edit levels)
@@ -40,4 +42,3 @@ All original code is licensed under the [MPL 2.0](https://www.mozilla.org/MPL/2.
 - [sti](https://github.com/karai17/Simple-Tiled-Implementation): [MIT](http://opensource.org/licenses/mit-license.php)
 
 The tiles and character images are from the [liberated pixel cup](http://lpc.opengameart.org/) and are under a [cc-by.sa 3.0](http://creativecommons.org/licenses/by-sa/3.0/) license.
-