message: add note to revisit tracking #
diff: <script src='https://www.google-analytics.com/analytics.js'></script>
  <script>
  window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;
  - // ga('create', 'UA-83820700-1', 'auto', {'allowLinker': true});
  + // FIXME: Use official ot tracking code here
  ga('create', 'UA-82508918-1', 'auto', {'allowLinker': true});
  ga('require', 'linker');
  - // ga('linker:autoLink', ['opentrons.com', 'docs.opentrons.com', 'shop.opentrons.com'] );
  ga('send', 'pageview');
  </script>
  </head>
  