Translation needed for #700

[github-actions[bot]]

The docs have been updated in PR #700. The translations should be updated if required.

Languages:

• [x] English
• [x] Chinese
• [ ] German
• [x] Dutch

Assigned to @vapor/translations - please submit a PR with the relevant updates and check the box once merged. Please ensure you tag your PR with the translation-update so it doesn't create a new issue!

[Jinxiansen]

The Simplified Chinese portion of authentication.md has not yet been translated, so it can be marked as done.

[mattesmohr]

I have started to translate it, but it will take some time, since it is a lot. Just let you know I am aware of the issue.