add steam overlay, achievements and stats managers

core/scene_manager/scene_manager.gd

@@ -5,6 +5,7 @@ extends CanvasLayer
 @onready var loading_screen = $LoadingScreen
 @export var transition_duration: float = 1
 
+
 func _ready() -> void:
 	color_rect.color.a = 0.0
 	color_rect.mouse_filter = Control.MOUSE_FILTER_IGNORE