How to enable Post Format "Link" Easel?

with Easel 3.3 that was just added today post-formats are enabled
if you want the link one here are the directions

edit functions.php and find the add_theme_support for post-formats, add ‘link’ to the list.

Find the content.php file in the theme directory and copy it as content-link.php

edit the content-link.php file to look how you want as a link, preferably adding it to your child theme

done.

Thanks!

And how can I display a field to put a link for the ppost formal link?

Thanks!