sone-postgresql package

Provides PostgreSQL server/client integration for sOne hosting.

Installed dependencies:
- postgresql
- postgresql-client
- postgresql-contrib

Provider:
- /etc/sone/database/provider = postgresql

Used by:
- sone db:create --type=postgresql
- sone db:user:create --type=postgresql
- sone site:create --db=1 --db-type=postgresql
