Remind people there's a more accurate conversion available

Author: GrahamTheCoder

CodeConverter.Web/Pages/Index.cshtml

@@ -36,6 +36,8 @@
             </div>
 
             <p ng-show="showErrors" style="white-space: pre-wrap">Error message:<br />{{errorMessageOnResponse}}</p>
+
+            <p>Get a more accurate conversion by using our free <a href="https://marketplace.visualstudio.com/items?itemName=SharpDevelopTeam.CodeConverter">Code Converter extension for Visual Studio</a>.</p>
         </div>
     </div>
 </div>