Fix Papra SQLite write permissions
Created by: jedmund
Papra's data directories were owned by the Ansible user, but the container runs as puid:pgid (977:988). This caused SQLite read-only errors when running migrations on startup.
- Split directory creation in the content_management tasks so Papra's data directories (
config/papra/,db/,documents/) are owned bypuid:pgidinstead ofansible_user.