Improve Review Apps documentation
What does this MR do?
- Document the changes from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/24538.
- Document current issues with using
/in branch names. Hopefully solved by https://gitlab.com/charts/gitlab/issues/1068.
What are the relevant issue numbers?
Relates to https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/24538 and https://gitlab.com/charts/gitlab/issues/1068.
Does this MR meet the acceptance criteria?
- [-] Changelog entry added, if necessary
-
Documentation created/updated via this MR -
Documentation reviewed by technical writer or follow-up review issue created -
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides -
Security reports checked/validated by reviewer