Initial reusable HA kiosk MQTT controls

.gitignore

@@ -0,0 +1,16 @@
+# Per-device credentials and settings
+*.env
+config
+systemd.env
+telemetry.env
+secrets.yaml
+*.key
+*.pem
+
+# Generated package and Python cache
+home-assistant/kiosk-package.yaml
+__pycache__/
+*.py[cod]
+
+# Local backups
+*.backup-*