Initial reusable HA kiosk MQTT controls

telemetry/telemetry.env.example

@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+# Copy to ~/.config/ha-kiosk/telemetry.env. This example has no credentials.
+MQTT_HOST=127.0.0.1
+MQTT_PORT=1883
+MQTT_USER=
+MQTT_PASSWORD=
+KIOSK_ID=my_kiosk
+KIOSK_ENTITY_PREFIX=my_kiosk
+KIOSK_NAME="My Kiosk"
+KIOSK_MANUFACTURER=Generic
+KIOSK_MODEL="Linux Touchscreen Kiosk"
+MQTT_TOPIC=my_kiosk/performance
+MQTT_DISCOVERY_PREFIX=homeassistant
+SAMPLE_SECONDS=10