search autofill and add dropdown code example

Example: seach with dropdown list

<!-- Script -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src='select2/dist/js/select2.min.js' type='text/javascript'></script>

<!-- CSS -->
<link href='select2/dist/css/select2.min.css' rel='stylesheet' type='text/css'>