Add project management.

Signed-off-by: Willy Sudiarto Raharjo <willysr@gmail.com>

includes/courses.php

@@ -9,6 +9,8 @@
     <li><a href="../adminjar-ti/">Net Admin</a></li>
     <li>|</li>
     <li><a href="../kripto-ti/">Crypto</a></li>
+    <li>|</li>
+    <li><a href="../manpro-ti/">PM</a></li>
   </ul>
 </nav>