public async Task <IEnumerable <ProductTypeResponseModel> > Get()
        {
            var query = new FetchProductTypeQuery();

            return(await Mediator.Send(query));
        }
        public async Task <IEnumerable <ProductTypeQueryResponseModel> > Handle(FetchProductTypeQuery request, CancellationToken cancellationToken)
        {
            var result = await _productTypeService.FetchProductType();

            return(result);
        }