* feat: change say() method response type from void to Message

* modify: bump wechaty and puppet version

* Bump wechaty and wechaty-puppet version

* 0.29.3

* modify: check void response type, remove useless await

* modify: check response type and refactory code style

* modify: check msgId more strictly.

* modify: update readme and JS doc, remove useless code.

* modify: grammar fix