3 "instance_id": "1234abcd-cc12-7808-af0a-264cb0cbd611",
4 "app_name": "My BookStack Instance",
5 "app_logo": "https://docs.example.com/uploads/images/system/2025-05/cat-icon.png",
6 "base_url": "https://docs.example.com"