Pick various changes of the Geo documentation into 10.4
What does this MR do?
Including:
- gitlab-org/gitlab-ee!4056
- gitlab-org/gitlab-ee!4087
- gitlab-org/gitlab-ee!3991
Does this MR meet the acceptance criteria?
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Changelog entry added, if necessary -
Documentation created/updated -
API support added -
Tests added for this feature/bug - Review
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Has been reviewed by UX -
Has been reviewed by Frontend -
Has been reviewed by Backend -
Has been reviewed by Database
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Conform by the merge request performance guides -
Conform by the style guides -
Squashed related commits together -
Internationalization required/considered -
If paid feature, have we considered GitLab.com plan and how it works for groups and is there a design for promoting it to users who aren't on the correct plan