Update index.html

public/index.html

@@ -79,9 +79,13 @@
 		<div id="chartcontainer" style="visibility: hidden;">
 				<div id="chart"></div>
         </div>
-		<a href="https://www.hft-stuttgart.de/" target='_blank'>
+			<a href="https://ugl.hft-stuttgart.de/" target='_blank'>
         <div class="credit"></div>
         </a>
+		<a href = "mailto: rushikesh.padsala@hft-stuttgart.de" target='_blank'>
+        <div class="credit4"></div>
+        </a>
+
 		<!-- javascript -->
         <script src="./Source/App.js"></script>
     </body>