Added password challenges for week 4

templates/base.html

@@ -20,6 +20,7 @@
             <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>
+            <li><a href="/wachtwoorden">Wachtwoorden</a></li>
           </ul>
 
           <a href="/logout" class="btn">Uitloggen</a>