add click sound as SFX

scripts/SettingsMenu.gd

@@ -60,6 +60,7 @@ func _input(event):
 		get_viewport().set_input_as_handled()
 
 func _on_back_button_pressed():
+	AudioManager.play_ui_click()
 	print("Back button pressed")
 	_exit_settings()
 
@@ -96,6 +97,7 @@ func update_text():
 
 
 func _on_reset_setting_button_pressed() -> void:
+	AudioManager.play_ui_click()
 	print("Resetting settings")
 	settings_manager.reset_settings_to_defaults()
 	_update_controls_from_settings()