[FEATURE] Agora RTM support

[yinyajun]

Description

Besides RTC messages, I hope to have a stable message transmission. I have seen an RTM-related plugin in the existing plugin demo. However, when I actually use it, I find that the client cannot receive RTM messages or cannot receive RTM messages sent from the client. I would like to ask whether the TEN framework currently supports Agora's RTM messages.

Severity

Minor

Additional Information

No response