add example how to use custom gitlab server config with registry nginx
useful for letsencrypt certificates for example
closes gitlab-org/gitlab-ce#24094, closes #1647 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
useful for letsencrypt certificates for example
closes gitlab-org/gitlab-ce#24094, closes #1647 (closed)