[Feature Request] Add support for DingTalk channel

[ji-lolo7]

I would like to request support for the DingTalk channel in OpenClaw. This would allow users to integrate their AI instances with DingTalk groups and bots for better collaboration.

[Iamlovingit]

@ji-lolo7 Thank you for your suggestion. We will be adding support for DingTalk integration soon. Please stay tuned for updates.

[Iamlovingit]

@ji-lolo7 see #72