Fix up site preview images

Updates the site preview images to match the latest design, updates the favicon and removes a bunch of the OS-specific icons.

Author: crisbeto

scenes/src/app/scene-viewer/scene-viewer.scss

@@ -13,4 +13,5 @@ app-scene-viewer {
   top: 0;
   height: 100%;
   width: 100%;
+  pointer-events: none;
 }

src/assets/img/favicon.ico

@@ -36,14 +36,7 @@
   <meta property="og:image:width" content="1339" />
   <meta property="og:image:height" content="943" />
 
-  <link rel="apple-touch-icon" sizes="180x180" href="assets/img/favicons/apple-touch-icon.png?v=8.2.3">
-  <link rel="icon" type="image/png" sizes="32x32" href="assets/img/favicons/favicon-32x32.png?v=8.2.3">
-  <link rel="icon" type="image/png" sizes="16x16" href="assets/img/favicons/favicon-16x16.png?v=8.2.3">
-  <link rel="manifest" href="assets/img/favicons/manifest.json?v=8.2.3">
-  <link rel="mask-icon" href="assets/img/favicons/safari-pinned-tab.svg?v=8.2.3" color="#d7e3ff">
-  <link rel="shortcut icon" href="assets/img/favicons/favicon.ico?v=8.2.3">
-  <meta name="msapplication-TileColor" content="#d7e3ff">
-  <meta name="msapplication-config" content="assets/img/favicons/browserconfig.xml?v=8.2.3">
+  <link rel="shortcut icon" href="assets/img/favicon.ico?v=19.0.0">
   <meta name="theme-color" content="#d7e3ff">
 
   <link rel="preconnect" href="https://fonts.gstatic.com">
@@ -68,7 +61,7 @@
         "@type": "Organization",
         "name": "Angular",
         "description": "Angular is a platform for building mobile and desktop web applications. Join the community of millions of developers who build compelling user interfaces with Angular.",
-        "url": "https://angular.io",
+        "url": "https://angular.dev",
         "logo": "https://angular.io/assets/images/logos/angular/angular.svg"
       }
     }