Improvement: - homeip-updater.sh: Firewall-Autodetection (ufw/firewalld/iptables) - README-HOMEIP.md: Firewall-Support Tabelle + technische Details - install.sh: dnsutils zu apt-Paketen hinzugefügt Multi-Distro kompatibel: ✅ Ubuntu/Debian (ufw) ✅ Fedora/RHEL (firewalld) ✅ Arch/Manjaro (iptables) ✅ openSUSE (firewalld) Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>