fix: update copyright year and correct email address

Author: itousouta15

index.html

@@ -602,9 +602,9 @@ <h2>Credits</h2>
             >Quicksand</a
           >, <a href="https://justfont.com/huninn/">jf open 粉圓</a>
           <footer>
-            Copyright © 2025 SCAICT All Rights Reserved<br />
+            Copyright © 2026 SCAICT All Rights Reserved<br />
             If you have any questions, please contact us at
-            <a href="mailto:contact@saict.org">contact@saict.org</a>
+            <a href="mailto:contact@scaict.org">contact@scaict.org</a>
           </footer>
         </div>
       </div>