Add API endpoints to manage devices, device groups, users, and user groups. Signed-off-by: GL.iNet-Yongping.Xie <yongping.xie@gl-inet.com>
Implement editing APIs for user-to-user-group, user-to-device, and device-group-to-device relationships, enabling flexible management of access and resource associations. Signed-off-by: GL.iNet-Yongping.Xie <yongping.xie@gl-inet.com>