Add amplbot button

Author: marcos-dv

_templates/article-header-buttons-ampl.html

@@ -1,6 +1,13 @@
 {% from "../macros/buttons.html" import render_funcs with context %}
 
 <div class="article-header-buttons">
+<!-- Custom Robot Button -->
+<a href="https://chatgpt.com/g/g-68c00de8b030819185be6db190ad7bce-amplbot"
+   class="btn btn-sm btn-outline-primary"
+   target="_blank"
+   rel="noopener">
+  <i class="fa-solid fa-robot"></i>
+</a>
 {%- for button in header_buttons -%}
 {% set btype = button.get("type") %}
 {% set bopts = button.copy() %}
@@ -20,4 +27,4 @@
     {%- include "ampl-pages.html" with context -%}
   </ul>
 </div>
-</div>
+</div>