[Feature][admin] Add multi tenant implementation

[aiwenmo]

Search before asking

• [X] I had searched in the issues and found no similar feature requirement.

Description

Adding multi tenant implementation based on MybatisPlus.

基于 MybatisPlus 增加多租户实现。

Use case

No response

Related issues

No response

Are you willing to submit a PR?

• [ ] Yes I am willing to submit a PR!

Code of Conduct

• [X] I agree to follow this project's Code of Conduct