Categories are displayed in the drop-down menu by default, with no other layout options available in the Vantage admin to set this on the homepage as such, so it would require customization on your part if you were looking to add it as described. Vantage is not encrypted, so you are free to make modifications if you wish. Whilst we don't offer customization services, we do have a
certified partners page where you can find developers for hire. Thanks.