public OrganizerDto Create(CreateOrganizerCommand request)
        {
            OrganizersDB.Add(new PersonOrganizer
            {
                FirstName = request.Identifier
            });

            return(new OrganizerDto
            {
                Name = request.Identifier
            });
        }
 public Task <Response <OrganizerDto> > Post([FromBody] CreateOrganizerCommand request)
 {
     return(_mediator.Send(request));
 }