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>

config/chromium/voxip-kiosk.json

@@ -0,0 +1,19 @@
+{
+  "TranslateEnabled": false,
+  "PasswordManagerEnabled": false,
+  "AutofillAddressEnabled": false,
+  "AutofillCreditCardEnabled": false,
+  "BrowserSignin": 0,
+  "SyncDisabled": true,
+  "PromotionalTabsEnabled": false,
+  "MetricsReportingEnabled": false,
+  "SpellcheckEnabled": false,
+  "DefaultBrowserSettingEnabled": false,
+  "DefaultNotificationsSetting": 2,
+  "DefaultGeolocationSetting": 2,
+  "DownloadRestrictions": 3,
+  "PrintingEnabled": false,
+  "BackgroundModeEnabled": false,
+  "HideWebStoreIcon": true,
+  "ShowAppsShortcutInBookmarkBar": false
+}