- Created a new configuration file for ga-al-gw-neu with detailed network interface settings and routing rules.
- Updated existing configurations for ga-al-gw, ga-gh-gw, ga-nh-gw, ga-st-gw-ersatz, ga-st-gw, and ga-st-mail to include additional DNS servers and correct domain controller IPs.
- Disabled systemd-resolved for ga-st-mail to prevent conflicts with DNS settings.
- Added user definitions and SSH key configurations for default users across multiple hosts.
- Created `wiki-common.yml` for wiki.cadus.org with DNS settings and git repository configurations.
- Added `www-common.yml` for www.oopen.de including SFTP group creation and root user password.
- Introduced `zapata-alt-common.yml` for zapata-alt.opp.netz with network interface configurations, Samba user reorganize 'host_vars'