Add audio effect and implement FireScan bullet behavior

- Added Rip.wav audio effect to the project.
- Created FireScan bullet script with speed and damage properties.
- Implemented basic AI movement for FireScan bullets.
- Introduced Wave class for managing enemy waves with dynamic counts and spawning logic.

scripts/Statemachine/DamageLabel.gd

@@ -22,5 +22,5 @@ static func create(spawnDamage: float, spawnCrit: bool, spawnPosition: Vector2,
 	instance.crit = spawnCrit
 	instance.position = spawnPosition
 	if addToWorld:
-		WorldTool.rootNode.add_child(instance)
+		WorldManager.rootNode.add_child(instance)
 	return instance