Add some more database docs
What does this MR do?
Add a few useful links for those who want to learn more about databases and database performance.
Related issue: https://gitlab.com/gitlab-org/gitlab-ce/issues/60634
Edited by Toon Claes
Add a few useful links for those who want to learn more about databases and database performance.
Related issue: https://gitlab.com/gitlab-org/gitlab-ce/issues/60634