Jul 28 - Update code for legacy database (Hieu's app)

app.py

@@ -91,10 +91,11 @@ def create_app() -> Flask:
     from routes.statistics import bp as statistics_bp
     from routes.employees import bp as employees_bp
     from routes.time_attendance import bp as time_attendance_bp
+    from routes.legacy_attendance import bp as legacy_attendance_bp
 
     for bp in (auth_bp, dashboard_bp, users_bp, admin_bp, projects_bp,
                qr_codes_bp, attendance_bp, statistics_bp,
-               employees_bp, time_attendance_bp):
+               employees_bp, time_attendance_bp, legacy_attendance_bp):
         app.register_blueprint(bp)
 
     # Register location-logging routes (from location_logging.py)