Slower Timer Difficulty Setting

Adds a new Difficulty Setting which changes how long each "second" lasts in a level. Off by default, but when on it uses full seconds instead of 0.4 seconds like in SMM2.
NOTE: The translations will need to be checked properly.

Scripts/Classes/Singletons/SettingsManager.gd

@@ -74,6 +74,7 @@ var file := {
 		"extra_checkpoints": 0,
 		"back_scroll": 0,
 		"time_limit": 1,
+		"timer_style": 0,
 		"lakitu_style": 0
 	}
 }