Generate fake mock data

A neat feature would be to use the mock feature with a tool like [fakerjs](https://fakerjs.dev/api/) and essentially be able to mock a full API, and generate random data.

For instance when building a user management tool it would be nice to be able to generate 100's of random users mocking the graph endpoints to test things like pagination without having to create those users in my dev tenant

首先阅读仓库现有的 mock 功能和链接的 fakerjs API 文档，以了解生成的数据如何适配 API mock。在实现之前，定义支持的 API 形态、配置、生成行为和分页预期；完成的标准是完整 API 能够为数百个用户等场景返回随机集合。

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