Merge pull request 'Adds CTRL Z support to the drawing mini-game' (#2) from GManon/IWaniHugThatGator-Demo-Public:Undo into master

Reviewed-on: Cavemanon/IWaniHugThatGator-Demo-Public#2

game/src/draw.rpy

@@ -438,6 +438,9 @@ init -10 python in draw_logic:
                     self.__is_pressed = False
                     self.__active_curve = None
 
+            elif ev.type == pygame.KEYDOWN and ev.key == pygame.K_z and pygame.key.get_mods() & pygame.KMOD_CTRL:
+                self.back()
+
 
         def per_interact(self):
             self.__is_pressed = False