feat: migrate legacy app to use react data router

src/apps/stable/AppLayout.tsx

@@ -0,0 +1,12 @@
+import React from 'react';
+import { Outlet } from 'react-router-dom';
+
+import AppBody from 'components/AppBody';
+
+export default function AppLayout() {
+    return (
+        <AppBody>
+            <Outlet />
+        </AppBody>
+    );
+}