WIP: Update HA docs
What does this MR do?
Update HA docs to include some relevant information from https://about.gitlab.com/high-availability and add a warning about AWS EFS
To-Do
-
Move the relevant DR strategy details from https://about.gitlab.com/high-availability to a DR section of the docs -
Link University HA to docs instead of https://about.gitlab.com/high-availability -
Update AWS HA guide to show how to install a Linux NFS server instead of use EFS -
Link the AWS HA guide from University