gd: added menu template

addons/maaacks_game_template/extras/scripts/capture_mouse.gd

@@ -0,0 +1,9 @@
+class_name CaptureMouse
+extends Control
+## Control node that captures the mouse for games that require it. 
+##
+## Used for games that use the mouse to move the camera (ex. FPS or third-person shooters).
+
+func _gui_input(event):
+	if event is InputEventMouseButton and Input.mouse_mode != Input.MOUSE_MODE_CAPTURED:
+		Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)