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>

bin/voxip-kiosk-healthcheck

@@ -0,0 +1,9 @@
+#!/usr/bin/python3 -I
+# Installed to /usr/lib/voxip-kiosk/ by install.sh. -I: ignore PYTHON* env and user site-packages.
+import sys
+
+sys.path.insert(0, "/usr/lib/voxip-kiosk/python")
+
+from voxip_kiosk.healthcheck import main  # noqa: E402
+
+sys.exit(main())