Add docs for creating group-level issues
Should probably be on this page: https://docs.gitlab.com/ee/user/project/issues/create_new_issue.html.
cc: @victorwu
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Should probably be on this page: https://docs.gitlab.com/ee/user/project/issues/create_new_issue.html.
cc: @victorwu