Add base url for the favicon

Author: mddragnev

index.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Web Components Sample Apps</title>
-    <link rel="icon" href="favicon.ico" />
+    <link rel="icon" href="%BASE_URL%favicon.ico" />
     <link href="https://fonts.googleapis.com/css?family=Titillium+Web:300,400,600,700" rel="stylesheet" />
     <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet" />
     <link rel="stylesheet" href="./src/index.css" />