[#177] New admin UI section manage service banners
closes #177 (closed) closes #186 (closed)
Related MR: https://gitlab.cern.ch/push-notifications/backend/-/merge_requests/186
Edited by Caetan Tojeiro Carpente
closes #177 (closed) closes #186 (closed)
Related MR: https://gitlab.cern.ch/push-notifications/backend/-/merge_requests/186