public ActionResult <MessageDto> CreateMessage(MessageForCreationDto message)
{
var messageEntity = _mapper.Map <Entities.Message>(message);
_messageBoardRepository.AddMessage(messageEntity);
_messageBoardRepository.Save();
var messageToReturn = _mapper.Map <MessageDto>(messageEntity);
return(CreatedAtRoute("GetMessage", new { messageId = messageToReturn.Id }, messageToReturn));
}