VoxIP Kiosk OS 1.0.0: Raspberry Pi kiosk with web management

Chromium kiosk without a desktop for the Raspberry Pi 3, a Flask web
interface on port 8080 (kiosk, system and network management), a
restricted root helper, network changes with automatic rollback, a
healthcheck timer, install/update/uninstall scripts and a pi-gen image
build.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

systemd/voxip-kiosk-x.service

@@ -0,0 +1,31 @@
+[Unit]
+Description=VoxIP Kiosk X-server (vt7)
+Documentation=file:///usr/share/doc/voxip-kiosk/README.md
+After=systemd-user-sessions.service systemd-logind.service
+Conflicts=getty@tty7.service
+StartLimitIntervalSec=600
+StartLimitBurst=10
+
+[Service]
+Type=simple
+User=kiosk
+Group=kiosk
+# A logind session on tty7 gives the kiosk user access to the display and input devices.
+PAMName=login
+TTYPath=/dev/tty7
+TTYReset=yes
+TTYVHangup=yes
+StandardInput=tty
+StandardOutput=journal
+StandardError=journal
+UtmpIdentifier=tty7
+UtmpMode=user
+RuntimeDirectory=voxip-kiosk-x
+RuntimeDirectoryMode=0700
+ExecStartPre=+/usr/bin/chvt 7
+ExecStart=/usr/lib/voxip-kiosk/voxip-kiosk-x
+Restart=always
+RestartSec=3
+
+[Install]
+WantedBy=multi-user.target