Improve docs rendering for recurrent visits scheduler
as mentioned by @vlorentz in the original diff
Test Plan
rendered with tox -e sphinx
Migrated from D6587 (view on Phabricator)
Staging instance, all changes can be removed at any time
as mentioned by @vlorentz in the original diff
rendered with tox -e sphinx
Migrated from D6587 (view on Phabricator)