lazy loading feature

Author: Pradeep Terli

docs/index.html

@@ -69,7 +69,7 @@
     <div class="row">
       <app-root class="col">Loading...</app-root>
     <div class="col-md-3 right-sidebar">
-        <div>
+    <div>
           <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
           <ins class="adsbygoogle" style="display:inline-block;width:300px;height:250px" data-ad-client="ca-pub-4525567075133342" data-ad-slot="2263435109"></ins>
           <script>