Connecting from Outside the LAN

Sometimes it might be useful to connect to Volumio from outside the LAN, via services like NO-IP. Volumio UI uses to communicate with the backend, so we must tell the UI to connect to the external IP rather than the LAN's IP.

Tell the UI to bind to new IP

If you want to achieve this, hardcode your public IP in line 49

res.json({ host: 'http://'});

your public ip instead of