- only Postgres is supported from now on to reduce maintenance
- enables building main upda server application for all platforms
- instead of using ORM auto migrate for database schema creation, switch to proper migration framework utilizing flexible steps and plain sql files
- library updates
Reviewed-on: #52
Co-authored-by: Varakh <varakh@varakh.de>
Co-committed-by: Varakh <varakh@varakh.de>