Update README

Author: LoxoSoftware

README.md

@@ -1,6 +1,6 @@
 ## RetroMap: A tilemap editor
 
-![Screenshot of the main window](/home/loxo/Nextcloud/Projects/Qt/Mapped/.readme/screen1.png)
+![Screenshot of the main window](./.readme/screen1.png)
 
 RetroMap is a tilemap editor that is specifically aimed at GameBoy Advance development, altough I want it to have a bigger scope in the future.  
 It was born out of the need to have a tool that could handle 4bpp tilesets and different maps that use the same graphics data.