implemented ODN archives.

supported.html

@@ -1262,6 +1262,10 @@ Kaseki no Uta<br/>
 <tr class="odd"><td>*.pak</td><td><tt>PACK</tt></td><td>No</td><td>Black Rainbow</td><td>
 Soukan Yuugi<br/>
 </td></tr>
+<tr><td>*.odn</td><td>-</td><td>No</td><td>Valkyria</td><td>
+Motto! Debutopia<br/>
+Ura Seitokai yo, Koumon o Seiatsu Seyo!<br/>
+</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>