Space Monitor Envvars "MQTT-SERVER" "MQTT-USERNAME" "MQTT-PASSWORD" "MPD-SERVER" "MPD-WEB-URL" "OCTOPRINT-NEO-APIKEY" "OCTOPRINT-NEO-URL" "OCTOPRINT-ULTI1-APIKEY" "OCTOPRINT-ULTI1-URL" "OCTOPRINT-X350-APIKEY" "OCTOPRINT-X350-URL"