WIP: Add proxy documentation
What does this MR do?
Continuation of https://gitlab.com/gitlab-org/gitlab-ci-multi-runner/merge_requests/441
Edited by Achilleas Pipinellis
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Continuation of https://gitlab.com/gitlab-org/gitlab-ci-multi-runner/merge_requests/441