Taro 双向数据绑定扩展

给 Taro 开发者们另一种开发体验，可以舍弃状态管理，更专注于业务逻辑而非状态设计。
https://github.com/Eusen/trao-extras

Review the issue text and the linked Taro extension at https://github.com/Eusen/trao-extras. First locate how resources are organized in awesome-taro, then determine whether this project belongs in the collection and what entry format is expected; done means the resource is added in the appropriate place if accepted.

Written by the indexing model from the issue text.