[website] Open the Store engineer role (#46845)

Author: DanailH

docs/pages/careers.tsx

@@ -28,6 +28,12 @@ const openRolesData = [
           'You will provide guidance to the community and solve their struggle, working on one of the most popular React UI library.',
         url: '/careers/react-engineer-material-ui-maintainer/',
       },
+      {
+        title: 'Product Engineer — Store',
+        description:
+          'You will lead the technical, product, and operational development of the store.',
+        url: '/careers/product-engineer-store/',
+      },
       // {
       //   title: 'React Engineer — xCharts',
       //   description:

docs/pages/careers/product-engineer-store.js

@@ -0,0 +1,7 @@
+import * as React from 'react';
+import TopLayoutCareers from 'docs/src/modules/components/TopLayoutCareers';
+import * as pageProps from '../../pages/careers/product-engineer-store.md?muiMarkdown';
+
+export default function Page() {
+  return <TopLayoutCareers {...pageProps} />;
+}