busy icon color

www/index.html

         <button type="button" class="autodoc_ajax_off btn btn-secondary disabled">
           <i class="fas fa-signal"></i>
         </button>
-        <button type="button" class="autodoc_ajax_on d-none btn btn-primary disabled">
+        <button type="button" class="autodoc_ajax_on d-none btn btn-warning disabled">
           <i class="fas fa-sync fa-spin"></i>
         </button>
       </div>

www/js/autodoc.js

   });
 }
 
+
+// handle ajax busy icon
 function loader_icon_on() {
   conf.busy++;
 }
 
-function load_icon_off() {
+function loader_icon_off() {
   setTimeout(function() { conf.busy--; }, 1000);
 }