Additional tools and scripts that help with the hub maintenance

- `certs-installer` - scripts for certificates installation in Root CA Truststore (Windows & Linux)
- `docker_volume_backupper` - script that backs docker volumes (use regex for name)
- `traefik-host-based-routing` - deployment template with local Traefik and self-signed certificates
- `volume-renamer` - scripts to rename volumes and migrate user data between usernames