Mqtt-Pfad wird jetzt mit angegeben

static/settings.js

@@ -54,6 +54,7 @@ async function saveSettings() {
         port: parseInt(document.getElementById('mqtt_port').value, 10),
         user: document.getElementById('mqtt_user').value || null,
         password: document.getElementById('mqtt_password').value || null,
+        path: document.getElementById('mqtt_path')?.value || null,
         button_circulation: document.getElementById('mqtt_button_circulation').value || null
     };