public ViewResult Clone(int CardId)
        {
            var crd        = deckService.GetCard(CardId);
            var dck        = deckService.GetDeck(crd.DeckId);
            var newCardDto = new CreateCardDto
            {
                DeckId    = dck.DeckId,
                DeckTitle = dck.Title,
                Front     = crd.Front,
                Back      = crd.Back,
                Level     = crd.Level
            };

            return(View("Create", newCardDto));
        }