add PDP content

Signed-off-by: Chloe <pinkcloudvnn@gmail.com>

lib/shopify/fragments/product.ts

@@ -9,6 +9,7 @@ const productFragment = /* GraphQL */ `
     title
     description
     descriptionHtml
+    productType
     options {
       id
       name

lib/shopify/types.ts

@@ -522,6 +522,7 @@ export type ShopifyProduct = {
   title: string;
   description: string;
   descriptionHtml: string;
+  productType: string;
   options: ProductOption[];
   priceRange: {
     maxVariantPrice: Money;