improve input handling

src/Main.gd

@@ -13,6 +13,10 @@ func _notification(what):
 		save_game()
 		get_tree().quit() # default behavior
 
+func _gui_input(event):
+	# Forward events to taquin so we can swipe from anywhere
+	taquin._gui_input(event)
+
 func layout_reflow():
 	if container == null:
 		return