Set a favicon.ico

src/main/ts/src/index.html

@@ -6,7 +6,7 @@
 		<meta name="robots" content="noindex, nofollow" />
 		<meta name="viewport" content="width=device-width, initial-scale=1" />
     <base href="/" />
-    <link rel="icon" type="image/x-icon" href="assets/images/favicon.png" />
+    <link rel="icon" type="image/x-icon" href="assets/images/favicon.ico" />
     <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet" />
     <link href="./assets/css/prism.css" rel="stylesheet" />
   </head>