Merge branch 'abdwdd-sync-database-add-guidelines' into 'master'

Require a follow-up issue for synch index creation/deletion

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/110613



Merged-by: Alex Ives <aives@gitlab.com>
Approved-by: Adam Hegyi <ahegyi@gitlab.com>
Approved-by: Andy Soiron <asoiron@gitlab.com>
Approved-by: Mayra Cabrera <mcabrera@gitlab.com>
Approved-by: Steve Abrams <sabrams@gitlab.com>
Reviewed-by: Andy Soiron <asoiron@gitlab.com>
Reviewed-by: Mayra Cabrera <mcabrera@gitlab.com>
Reviewed-by: Alex Ives <aives@gitlab.com>
Reviewed-by: Abdul Wadood <awadood@gitlab.com>
Co-authored-by: Amy Qualls <aqualls@gitlab.com>
Co-authored-by: Abdul Wadood <awadood@gitlab.com>