old_contents: window.config = {
    connectUrl: 'https://goinstant.net/YOUR_ACCOUNT/YOUR_APP'
  };
  
new_contents: window.config = {
    connectUrl: 'https://goinstant.net/YOUR_ACCOUNT/YOUR_APP',
    room: 'goinstant-widget-examples'
  };
  
subject: add room option to config