GitLab Migration pipeline status page
<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=383879) </details> <!--IssueSummary end--> When a migration is in progress, the main page doesn't show much about the progress of the migration, and the user can't know if the migration is progressing or not. Having a page displaying each pipeline's status would be useful to the user. Initially, the page could be simple and just display a table with the pipeline's name and status.
issue