Add 3 buttons to Helpy

buttons.js

<script>
$(document).ready(function(){

  var button = function(url, icon, linked_text) {
    var $icon = $('<i class="circle-icon"></i>')
       .addClass(icon)
       .css('color', '#666');
    var $buttonLink = $("<a></a>")
      .attr('href',url)
      .append($icon)
      .append("<br/>")
      .append(linked_text);
    return $("<div class='col-md-4 col-sm-4 col-xs-4 text-center article-icon'></div>").append($buttonLink);
  }

  $buttonBlock = $('<div id="featured-categories" class="row"></div>')
    .append(button('/en/knowledgebase', 'fas fa-laptop', 'Knowledgebase'))
    .append(button('/en/community', 'fas fa-comments', 'Community'))
    .append(button('/en/topics/new', 'fas fa-comment', 'Open a Ticket'));
    
  $($buttonBlock).insertAfter('#upper-wrapper'); // use .flat-main-panel for flat theme
});
</script>