<html>
  <head>
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <meta name="theme-color" content="#008000"/>
   <title>planes_ml</title>
   <link rel="manifest" href="planes_ml_manifest.json">
   <script>
    if('serviceWorker' in navigator) {
      navigator.serviceWorker.register('/planes_ml_sw.js')
        .then(function() {
          console.log('Service Worker Registered');
        });
    }
  