add tween plugin and refactoring UI

core/game_menu/option_menu_button.gd

@@ -1,7 +1,5 @@
 @tool
-extends Control
-
-signal on_button_pressed
+extends Button
 
 @export var image: Texture:
 	set(value):
@@ -13,6 +11,19 @@ func _ready():
 	if image != null and has_node("%Texture"):
 		$%Texture.texture = image
 
-func _on_gui_input(event: InputEvent) -> void:
-	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
-		on_button_pressed.emit()
+
+func _on_pressed() -> void:
+	if TweenFX.is_playing(self, TweenFX.Animations.PUNCH_IN):
+		return
+	TweenFX.punch_in(self)
+
+
+func _on_mouse_entered() -> void:
+	if TweenFX.is_playing(self, TweenFX.Animations.BREATHE):
+		return
+	TweenFX.breathe(self, 1)
+
+
+func _on_mouse_exited() -> void:
+	TweenFX.stop(self, TweenFX.Animations.BREATHE)
+	scale = Vector2(1, 1)