Update index.html

Author: Hariprashad-Ravikumar

index.html

@@ -112,6 +112,7 @@ <h1>Hariprashad Ravikumar</h1>
   <ul>
     <li class="current"><a href="/">About Me</a></li>
     <li><a href="/cv">CV</a></li>
+    <li><a href="/GitHub_Portfolio">GitHub Portfolio</a></li>
     <li><a href="/talks">Talks</a></li>
     <li><a href="/publications">Publications</a></li>
   </ul>