如何让一个节点支持场景？对于场景的调用命令可以是终端节点发送吗，还是必须由协调器来做？有什么资料可以推荐的也行
what should i do to make a node support the scene cluster? and if the RFD device is able to send a commond to invoke the scene ,or must be invoked by the coordinator? anything will help! thanks!
