Update copyright year to 2026

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: congwang-mk

_layouts/default.html

@@ -391,7 +391,7 @@ <h4>Resources</h4>
             <!-- Footer bottom -->
             <div class="footer-bottom">
                 <div class="footer-bottom-left">
-                    <p>&copy; 2025 Multikernel Technologies, Inc. All rights reserved.</p>
+                    <p>&copy; 2026 Multikernel Technologies, Inc. All rights reserved.</p>
                 </div>
                 <div class="footer-bottom-right">
                     <div class="footer-social">