Add TypeScript type definitions for app components and layout

- Created type definitions for `auth`, `layout`, and `page` components to ensure type safety and consistency.
- Implemented checks for entry validity and prop types using utility types.
- Added a `package.json` file to specify module type for TypeScript compatibility.

app/frontend/.next/server/app-paths-manifest.json

@@ -0,0 +1,10 @@
+{
+  "/_not-found/page": "app/_not-found/page.js",
+  "/auth/page": "app/auth/page.js",
+  "/page": "app/page.js",
+  "/app/session/page": "app/app/session/page.js",
+  "/admin/page": "app/admin/page.js",
+  "/app/profile/page": "app/app/profile/page.js",
+  "/app/library/page": "app/app/library/page.js",
+  "/admin/documents/page": "app/admin/documents/page.js"
+}