refactor: 产品页与产品列表的API重构

- 将产品页与产品列表的API由REST重构为GraphQL
- 修改Mapper与单元测试

app/graphql/productList.graphql

@@ -0,0 +1,22 @@
+query GetProductList($locale: String!) {
+  products(filter: { status: { _eq: "in-production" } }) {
+    id
+    status
+    translations(filter: { languages_code: { code: { _eq: $locale } } }) {
+      id
+      name
+      summary
+    }
+    cover {
+      id
+    }
+    product_type {
+      id
+      translations(filter: { languages_code: { code: { _eq: $locale } } }) {
+        id
+        name
+      }
+      sort
+    }
+  }
+}