feat: add bundle feature with 2x/3x set options

- Created BundleSelector component for selecting bundle options
- Updated ProductDetail to show bundle options
- Added bundle translations for all 4 locales
- Added GraphQL query for bundle products
- Updated TypeScript types for attributes
- Saleor backend: created bundle products for all base products

src/lib/saleor/fragments/Product.ts

@@ -35,6 +35,18 @@ export const PRODUCT_FRAGMENT = gql`
       key
       value
     }
+    attributes {
+      attribute {
+        id
+        name
+        slug
+      }
+      values {
+        id
+        name
+        slug
+      }
+    }
   }
   ${PRODUCT_VARIANT_FRAGMENT}
 `;