docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -10,7 +10,7 @@
 </div>
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-5-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-6-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 
@@ -160,6 +160,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
 <table>
   <tr>
     <td align="center"><a href="https://cog.dog/"><img src="https://avatars.githubusercontent.com/u/463038?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Alan Levine</b></sub></a><br /><a href="https://github.com/creativecommons/wp-plugin-creativecommons/commits?author=cogdog" title="Code">💻</a></td>
+    <td align="center"><a href="http://hugo.solar"><img src="https://avatars.githubusercontent.com/u/894708?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Hugo Solar</b></sub></a><br /><a href="https://github.com/creativecommons/wp-plugin-creativecommons/commits?author=hugosolar" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/kusinkay"><img src="https://avatars.githubusercontent.com/u/1234511?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Juane Puig</b></sub></a><br /><a href="https://github.com/creativecommons/wp-plugin-creativecommons/commits?author=kusinkay" title="Code">💻</a></td>
     <td align="center"><a href="https://bight.dev"><img src="https://avatars.githubusercontent.com/u/605361?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ned Zimmerman</b></sub></a><br /><a href="https://github.com/creativecommons/wp-plugin-creativecommons/commits?author=greatislander" title="Code">💻</a></td>
     <td align="center"><a href="http://rhea.art/"><img src="https://avatars.githubusercontent.com/u/21746?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Rhea Myers</b></sub></a><br /><a href="https://github.com/creativecommons/wp-plugin-creativecommons/commits?author=rheaplex" title="Code">💻</a></td>