Add relative_url, status_use_ping and streamer_mode options

esphome-dev/rootfs/etc/services.d/esphome/run

@@ -6,9 +6,23 @@
 # shellcheck disable=SC1091
 source /usr/lib/hassio-addons/base.sh
 
+export ESPHOME_IS_HASSIO=true
+
 if hass.config.true 'leave_front_door_open'; then
     export DISABLE_HA_AUTHENTICATION=true
 fi
 
+if hass.config.true 'streamer_mode'; then
+	export ESPHOME_STREAMER_MODE=true
+fi
+
+if hass.config.true 'status_use_ping'; then
+	export ESPHOME_DASHBOARD_USE_PING=true
+fi
+
+if hass.config.has_value 'relative_url'; then
+	export ESPHOME_DASHBOARD_RELATIVE_URL=$(hass.config.get 'relative_url')
+fi
+
 hass.log.info "Starting ESPHome dashboard..."
 exec esphome /config/esphome dashboard --socket /var/run/esphome.sock --hassio