add png images and favicon for goto

rest/static/goto-manifest.json

@@ -10,13 +10,39 @@
   "display": "standalone",
   "icons": [
     {
-      "src": "/static/goto-favicon.svg",
-      "sizes": "any",
+      "src": "/static/goto-favicon_512.png",
+      "sizes": "512x512",
+      "type": "image/png",
       "purpose": "any"
     },
     {
-      "src": "/static/goto-favicon_square.svg",
-      "sizes": "any",
+      "src": "/static/goto-favicon_192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/static/goto-favicon_144.png",
+      "sizes": "144x144",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/static/goto-favicon_96.png",
+      "sizes": "96x96",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/static/goto-favicon_72.png",
+      "sizes": "72x72",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/static/goto-favicon_48.png",
+      "sizes": "48x48",
+      "type": "image/png",
       "purpose": "any"
     }
   ]

rest/templates/goto.tpl

@@ -23,6 +23,7 @@ img {
     </style>
     <title>GoTo...</title>
     <link rel="manifest" href="/static/goto-manifest.json"/>
+    <link rel="icon" href="/static/goto-favicon.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1"/>
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/purecss@2.1.0/build/pure-min.css" integrity="sha384-yHIFVG6ClnONEA5yB5DJXfW2/KC173DIQrYoZMEtBvGzmf0PKiGyNEqe9N6BNDBH" crossorigin="anonymous"/>
     <link rel="stylesheet" href="https://shandan.one/css/grids-responsive-min.css"/>