added docs to the index in the doc/ directory

doc/index.html

@@ -24,6 +24,22 @@ mistakes, please email them to <a href="lehresma@css.tayloru.edu">lehresma@css.t
    </ul>
 </ul>
 
+<ul>
+   <a href="translating.txt">Translating</a>
+   <ul>
+      If you would like to make a translation of SquirrelMail, here are some guidelines to help
+	  you along the way.  These were compiled, thanks to Gustav Foseid. 
+   </ul>
+</ul>
+
+<ul>
+   <a href="tree.txt">The Mailbox Tree</a>
+   <ul>
+      This explains the algorithms and arrays behind the mailbox tree used in deleting folders.
+	  This was compiled thanks to Nathan Ehresman.
+   </ul>
+</ul>
+
 <ul>
    Basic documentation that comes with distrbution:
    <ul>