Added customizable DAS and ARR! (read comments)

This only applies to modes that allow it.
This feature does not apply to main modes (yet)

scene/title.lua

@@ -4,6 +4,7 @@ local main_menu_screens = {
 	ModeSelectScene,
 	InputConfigScene,
 	GameConfigScene,
+	TuningScene,
 	ExitScene,
 }