Update to the Ghost theme that powers this site (opens in new tab)

<p>I added a few modifications to the OSS Ghost theme that powers this site. You can get it here: <a href="https://gitlab.com/matdevdug/minimal-ghost-theme">https://gitlab.com/matdevdug/minimal-ghost-theme</a><br></p><ul><li>Added better image caption support. </li><li>Added the cool Mastodon feature outlined here to attribute posts from your site back to your Mastodon username by following the</li></ul>