Default template update

Author: technige

_layouts/default.html

@@ -19,6 +19,12 @@ <h1><a href="{{ "/" | absolute_url }}">stef.nige.tech</a></h1>
         Copyright 2026 Nigel Small ·
         All code is published under the <a href="https://opensource.org/license/mit">MIT License</a> ·
         All other works are published under <a href="https://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>
+        <hr>
+        <small>
+          AI agents have taken part in design discussions, code reviews and testing for
+          this project, and have produced snippets of documentation and examples. All
+          code has been written by hand and all documentation has been manually edited.*
+        </small>
       </div>
       {% endif %}
     </div>