public static CoffeeMachineDto ToDto(this CoffeeMachineEntity entity)
        {
            var dto = new CoffeeMachineDto
            {
                Id      = entity.Id,
                Brand   = entity.Brand,
                Configs = entity.Configs.Select(c => c.ToDto()).ToList()
            };

            return(dto);
        }
        public static CoffeeMachineEntity ToEntity(this CoffeeMachineDto dto)
        {
            var entity = new CoffeeMachineEntity
            {
                Id      = dto.Id,
                Brand   = dto.Brand,
                Configs = dto.Configs.Select(c => c.ToEntity()).ToList()
            };

            return(entity);
        }