Moved admin to /admin and created blank placeholder for v2 frontend

web/pages/admin/config-social-items.tsx

@@ -0,0 +1,15 @@
+import React from 'react';
+import { Typography } from 'antd';
+import EditSocialLinks from '../../components/config/edit-social-links';
+
+const { Title } = Typography;
+
+export default function ConfigSocialThings() {
+  return (
+    <div className="config-social-items">
+      <Title>Social Items</Title>
+
+      <EditSocialLinks />
+    </div>
+  );
+}