lication Manifest -->
  <link rel="manifest" href="manifest.json">

  <!-- Add to homescreen for Chrome on Android -->
  <meta name="mobile-web-app-capable" content="yes">
  <meta name="application-name" content="Friendly Chat">
  <meta name="theme-color" content="#303F9F">

  <!-- Add to homescreen for Safari on iOS -->
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
  <meta name="apple-mobile-web-app-title" conten