Make feature image clickable (point to the associated post)

Here is a list of handlebars you can use in the post context: https://getpublii.com/dev/post-tags/

e.g.

{{#featuredImage}}
    {{#if url}}
        <a href=”{{../url}}”>
            <img src=”{{url}}”  alt=”{{alt}}”>
        </a>
    {{/if}}
{{/featuredImage}}