web-ui: Add support for bookmarks on mobile

Add the respective images for mobile

web-ui/src/index.html

@@ -7,6 +7,16 @@
 
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="icon" type="image/x-icon" href="favicon.ico">
+  <link rel="apple-touch-icon" href="assets/apple-touch-icon.png" />
+  <link rel="apple-touch-icon" sizes="57x57" href="assets/apple-touch-icon-57x57.png" />
+  <link rel="apple-touch-icon" sizes="72x72" href="assets/apple-touch-icon-72x72.png" />
+  <link rel="apple-touch-icon" sizes="76x76" href="assets/apple-touch-icon-76x76.png" />
+  <link rel="apple-touch-icon" sizes="114x114" href="assets/apple-touch-icon-114x114.png" />
+  <link rel="apple-touch-icon" sizes="120x120" href="assets/apple-touch-icon-120x120.png" />
+  <link rel="apple-touch-icon" sizes="144x144" href="assets/apple-touch-icon-144x144.png" />
+  <link rel="apple-touch-icon" sizes="152x152" href="assets/apple-touch-icon-152x152.png" />
+  <link rel="apple-touch-icon" sizes="180x180" href="assets/apple-touch-icon-180x180.png" />
+  <link rel="icon" sizes="192x192" href="assets/android-icon.png">
 
   <!-- Global site tag (gtag.js) - Google Analytics -->
   <script async src="https://www.googletagmanager.com/gtag/js?id=UA-65008315-3"></script>