[rewrite] Added shadcn ui to frontend and slightly tweaked backend

frontend/src/routes/_authenticated/apps/index.lazy.tsx

@@ -0,0 +1,6 @@
+import { createLazyFileRoute } from '@tanstack/react-router'
+import Apps from '@/features/apps'
+
+export const Route = createLazyFileRoute('/_authenticated/apps/')({
+  component: Apps,
+})