Links Broken in German Quick Start

https://www.electronjs.org/de/docs/latest/tutorial/quick-start

Links to `app` and `BrowserWindow` look to be broken only under this translation. 🤔

```
[WARNING] Docusaurus found broken links!

Please check the pages of your site in the list below, and make sure you don't reference any path that does not exist.
Note: it's possible to ignore broken links with the 'onBrokenLinks' Docusaurus configuration, and let the build pass.

Exhaustive list of all broken links found:

- On source page path = /de/docs/latest/tutorial/quick-start:
-> linking to latest/tutorial/installation.md (resolved as: /de/docs/latest/tutorial/latest/tutorial/installation.md)
-> linking to latest/api/app.md (resolved as: /de/docs/latest/tutorial/latest/api/app.md)
-> linking to latest/api/browser-window.md (resolved as: /de/docs/latest/tutorial/latest/api/browser-window.md)
-> linking to latest/api/app.md#event-ready (resolved as: /de/docs/latest/tutorial/latest/api/app.md)
-> linking to latest/api/app.md#appwhenready (resolved as: /de/docs/latest/tutorial/latest/api/app.md)
-> linking to latest/api/app.md#event-activate-macos (resolved as: /de/docs/latest/tutorial/latest/api/app.md)
-> linking to latest/api/app.md#event-window-all-closed (resolved as: /de/docs/latest/tutorial/latest/api/app.md)
-> linking to latest/api/app.md#appquit (resolved as: /de/docs/latest/tutorial/latest/api/app.md)
-> linking to latest/tutorial/process-model.md (resolved as: /de/docs/latest/tutorial/latest/tutorial/process-model.md)
```