Add browser tab icon

Frontend/index.html

@@ -4,6 +4,10 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>SaraView</title>
+    <!-- The pixel art at its own 32x32 size, so browsers don't blur a scaled-down copy. -->
+    <link rel="icon" type="image/png" sizes="32x32" href="/Icons/Icon32.png" />
+    <link rel="icon" type="image/png" sizes="320x320" href="/Icons/Icon.png" />
+    <link rel="apple-touch-icon" href="/Icons/Icon.png" />
     <meta property="og:site_name" content="SaraView" />
     <!--OgTags-->
   </head>