A way to set a ROS namespace in the Agent

还没有人认领这个 Issue。

I would like to have the ability to set an arbitrary ROS namespace of the node from the computer running the Agent. The way of doing this in ROSSerial is to just run the `serial_node` under a namespace. In micro-ROS it's a little more problematic because the namespace has to be passed to `rclc_node_init_default` function, so it has to be retrieved before the ROS communication is initialized.

The way I see it could work is when the Agent could be run with some parameters and the client had functions to retrieve these parameters. Then, I could just define the `namespace` parameter and retrieve it in the firmware before initializing the node.

该 issue 没有指出任何仓库文件或测试。首先跟踪 Agent 的启动过程，以及 Agent 参数与客户端初始化之间的通信路径，注意 rclc_node_init_default 之前所需的 namespace。完成的标准是：启动 Agent 时可以提供 namespace，客户端可以在节点初始化之前获取该 namespace，并通过适当的测试进行验证。

由索引模型根据 Issue 内容生成。