Internal API calls still use 10.0.0.194:3012, but all user-facing
install instructions now use the public GITEA_PUBLIC_URL.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Support DEB packaging alongside RPM for Debian trixie (13/stable),
forky (14/testing), Ubuntu noble (24.04 LTS), and plucky (25.04).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>