Add authentication, user management, and database migration features

- Implement OAuth 2.0 and PAT authentication methods
- Add user management, roles, and profile functionality
- Add database migrations and admin user scripts
- Update services for authentication and user settings
- Add protected routes and permission hooks
- Update documentation for authentication and database access

backend/src/routes/referenceData.ts

@@ -1,9 +1,13 @@
 import { Router, Request, Response } from 'express';
 import { dataService } from '../services/dataService.js';
 import { logger } from '../services/logger.js';
+import { requireAuth } from '../middleware/authorization.js';
 
 const router = Router();
 
+// All routes require authentication
+router.use(requireAuth);
+
 // Get all reference data
 router.get('/', async (req: Request, res: Response) => {
   try {