More cross-links to architecture and monitoring
Will be followed up with an MR in the gitlab-ce repo to add links there back to the handbook (for settings, and production architecture).
\cc @pcarranza
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Will be followed up with an MR in the gitlab-ce repo to add links there back to the handbook (for settings, and production architecture).
\cc @pcarranza