[Feature] Confluence Cloud: Migrate databases

[heinrich-ulbricht]

Databases are a new addition to Confluence Cloud.

[github-actions]

This issue is stale because it has been open 20 days with no activity. Remove stale label or comment, or this will be closed in 10 days.

[heinrich-ulbricht]

Database migration is in the making and will be included in one of the next releases; documentation: https://www.wikitransformationproject.com/docs/reference/confluence-content-types/confluence-databases/