CE-2904: Maintenance Mode Backend
Creates a Maintenance mode
Stores the history and current maintenance mode in the database. Allows only ADMIN users to set the maintenance mode Filters non-GET http requests to 503 during maintenance mode periods
Creates a Maintenance mode
Stores the history and current maintenance mode in the database. Allows only ADMIN users to set the maintenance mode Filters non-GET http requests to 503 during maintenance mode periods