Added Indirect Object References exercises

templates/base.html

@@ -19,6 +19,7 @@
           <ul>
             <li><a href="/sql">SQL Injection</a></li>
             <li><a href="/xss">Cross-site Scripting</a></li>
+            <li><a href="/path">Insecure Direct Object References</a></li>
           </ul>
 
           <a href="/logout" class="btn">Uitloggen</a>