Move favicon to the root to fix embed links with favicon decoration

Author: NullVoxPopuli

app/index.html

@@ -18,7 +18,7 @@
     <link integrity="" rel="stylesheet" href="{{rootURL}}assets/ember-website.css">
 
     <link rel="apple-touch-icon" href="/favicons/apple-touch-icon.png">
-    <link rel="icon" href="/favicons/favicon.ico" sizes="any">
+    <link rel="icon" href="/favicon.ico" sizes="any">
     <link rel="icon" href="/favicons/icon.svg" type="image/svg+xml">
     <link rel="manifest" href="/favicons/manifest.webmanifest">