Noves-Inc/canton-data-app: docs/migrate-v3.16.1.md

Migrate from v3.16.1 to v4 of the Noves Data App The Compose migration script requires Docker Compose v2, jq, openssl, and Python 3 (python3) on the host. It checks these tools before upgrading retained image configuration or changing containers. v4 of the Noves Data App upgrades databases from…