(a restore needs to be complete, which happens in the background and
by default the ccr put follow api doesn't wait for this)
(this was a recent change and the pr that added this docs test,
did not include this change)
Relates to #37917
This commit is our first introduction to cross-cluster replication
docs. In this commit, we introduce the cross-cluster replication API
docs. We also add skelton docs for additional content that will be added
in a series of follow-up commits.
