feat:

- remove `Bot::set_state`, let user handle mutability (breaking change)
- add `RetCode::RoomNotExists` and `RetCode::RoomNotInVilla` (breaking change)
  (maybe breaking)
- add `Member::audit` and `EventData::AuditCallback` (breaking change)
  (maybe breaking)
- sync everywhere for let event handler can be called inside multithreaded async environment (xxx: Sync) (breaking
  change)
- add `RoomType::Live`, remove Room suffix of variants of `RoomType` (breaking change)
- derive Clone for BotAccessData, and all dependencies
- add `VError::RequestNonOk`
- handle non Ok response in default `RequestExecutor` implementation
- add `BotPermission::TransferImg`
- implement transfer image api
- remove utility functions in message_builder that need send request
- add `MessageBuilder::transfer_image` for transfer image after message constructed
- implement secret encrypt and callback sign verify (breaking change)
- add log output of trace id of api request in trace level
- use rustls for reqwest 

fix:

- fix deserialize error when parsing event from web users
- fix deserialize error when check bot access token when have invalid villa_id or bot auth info (breaking change)
  (should only need import change)
- fix deserialize error when bot has no command
- fix deserialize error when user has custom avatar