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>

image/voxip-config.example.json

@@ -0,0 +1,10 @@
+{
+  "device_name": "Hal begane grond",
+  "url": "https://schermen-ijsselflat.voxip.nl",
+  "hostname": "hal-bg",
+  "wifi_country": "NL",
+  "refresh_interval": 0,
+  "rotation": 0,
+  "resolution": "auto",
+  "screen_always_on": true
+}