Add NetAdmin and update syllabus

kakom-ti/index.php

@@ -51,10 +51,10 @@ include "../includes/courses.php";
   <ol>
     <li>Syllabus</li>
     <li>Introduction to Cryptography</li>
-    <li>Number Theory</li>
     <li>Classical Ciphers</li>
     <li>Symmetric Cryptography #1</li>
     <li>Symmetric Cryptography #2</li>
+    <li>Number Theory</li>    
     <li>Asymmetric Cryptography #1</li>
     <li>Asymmetric Cryptography #2</li>
     <li>Hash Functions and Message Authentication Codes</li>