Add docs on structured logging in GitLab
In GitLab 9.5, we have added structured logging via Lograge. This MR adds documentation about where to find the files and how to interpret the information.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
In GitLab 9.5, we have added structured logging via Lograge. This MR adds documentation about where to find the files and how to interpret the information.