hub: add redirect for repo settings (#24145)

- relates to / follow up to
https://github.com/docker/docs/pull/23949#pullrequestreview-3801911463

This page was removed in 0f607d3e61, and
now merged into the global "settings" page.

<!--Delete sections as needed -->

## Description

<!-- Tell us what you did and why -->

## Related issues or tickets

<!-- Related issues, pull requests, or Jira tickets -->

## Reviews

<!-- Notes for reviewers here -->
<!-- List applicable reviews (optionally @tag reviewers) -->

- [ ] Technical review
- [ ] Editorial review
- [ ] Product review

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

content/manuals/docker-hub/settings.md

@@ -3,6 +3,8 @@ description: Learn about settings in Docker Hub
 keywords: Docker Hub, Hub, repositories, settings
 title: Settings
 weight: 25
+aliases:
+  - /docker-hub/repos/settings/
 ---
 
 You can configure the following settings in Docker Hub: