public async Task <ActionResult <long> > Create(CreateCalendarEventCommand command)
 {
     return(await Mediator.Send(command));
 }
        public async void CreateCalendarEvent(CalendarEventDTO calendarEvent)
        {
            var createCalendarEventCommand = new CreateCalendarEventCommand(calendarEvent.Description);

            await _bus.SendCommand(createCalendarEventCommand);
        }