message: Font change from Lato to Montserrat and added logo to loading screen
diff: <script src="assets/lib/base/uikit.min.js"></script>
  <script src="assets/lib/base/uikit-icons.min.js"></script>
  - <link href="https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&display=swap" rel="stylesheet">
  + <link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,500,700&display=swap" rel="stylesheet">
  <script type="text/javascript" src="assets/lib/blake2b/blake2b.js"></script>
  <script type="text/javascript" src="assets/lib/tweetnacl/nacl.js"></script>
  <meta name="msapplication-config" content="assets/favicon/browserconfig.xml">
  <meta name="theme-color" content="#ffffff">
  </head>
  -<body class="body" style="font-family: 'Lato', sans-serif;">
  +<body class="body" style="font-family: 'Montserrat', sans-serif;">
  <app-root>
  <div style="position: absolute; text-align: center; height: 30px; font-size: 30px; margin: auto; top: 25%; left: 0; right: 0;">
  + <img src="assets/img/nault-logo.svg" width="250px" style="display: block; margin: 0 auto 20px auto;"/>
  Loading Nault...
  </div>
  </app-root>
  