Add NetAdmin and update syllabus

courses.php

@@ -30,6 +30,7 @@ include "includes/navbar.html";
     <!-- <li><a href="manpro-ti/index.php">Project Management</a></li> //-->
     <li><a href="kakom-ti/index.php">Computer Security</a></li>
     <li><a href="tekkom-ti/index.php">Computer Technology</a></li>
+    <li><a href="adminjar-ti/index.php">Network Administration</a></li>
     <li>Data Warehouse (IDDIT)</li>
     <li>Introduction to Business Intelligence (IDDIT)</li>
     <li>Final Year Project 1 (IDDIT)</li>