Feature Request: local multi module build

> Documentation can be generated locally, also respecting local changes in dependent modules. It means, that we need to enable developers to do changes in multiple modules at once and being able to generate the html documentation, that includes changes in all modules at once.

As in reference_integration, allow users to build multi-repo documentation locally.

Potentially related: #305

首先检查 reference_integration 设置如何构建文档，并查看相关 issue #305 以了解现有约束。定义本地多仓库工作流，并验证生成的 HTML 包含所有依赖模块的更改。

由索引模型根据 Issue 内容生成。