message: chore:  update README.md
diff: - [Introduction](#introduction)
  - [GitHub](#github)
  + - [Thin](#thin)
  - [Preview](#preview)
  - [Documentation](#documentation)
  - [Preinstallation](#preinstallation)
  @@ -42,9 +43,15 @@ The project is based on the vue3 style background management system implemented
  [vue-vben-admin2.0](https://github.com/anncwb/vue-vben-admin) - `main` branch
  +### Thin
  +
  +[vue-vben-admin-thin-next](https://github.com/anncwb/vben-admin-thin-next)
  +
  ## Preview
  -[2.0 preview](https://vvbin.cn/next/)
  +- [2.0 preview](https://vvbin.cn/next/)
  +
  +- [2.0 Thin Preview](https://vvbin.cn/thin/next/)
  Account for test: vben/123456
  