feat: Add express-async-errors for improved error handling

- Integrated express-async-errors to automatically handle errors in async route handlers, enhancing the overall error management in the application.
- Updated app.ts to include the express-async-errors import for global error handling.
- Removed redundant logging statements in admin and user menu retrieval functions to streamline the code and improve readability.
- Adjusted logging levels from info to debug for less critical logs, ensuring that important information is logged appropriately without cluttering the logs.

backend-node/package.json

@@ -32,6 +32,7 @@
     "docx": "^9.5.1",
     "dotenv": "^16.3.1",
     "express": "^4.18.2",
+    "express-async-errors": "^3.1.1",
     "express-rate-limit": "^7.1.5",
     "helmet": "^7.1.0",
     "html-to-docx": "^1.8.0",