docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -5,9 +5,7 @@
 ![GitHub Release Date](https://img.shields.io/github/release-date/adamghill/django-unicorn?style=flat-square)
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
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-[![All Contributors](https://img.shields.io/badge/all_contributors-3-orange.svg?style=flat-square)](#contributors-)
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+[![All Contributors](https://img.shields.io/badge/all_contributors-4-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 The magical fullstack framework for Django. ✨
@@ -69,12 +67,12 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://adamghill.com"><img src="https://avatars0.githubusercontent.com/u/317045?v=4" width="100px;" alt=""/><br /><sub><b>Adam Hill</b></sub></a><br /><a href="https://github.com/adamghill/django-unicorn/commits?author=adamghill" title="Code">💻</a> <a href="https://github.com/adamghill/django-unicorn/commits?author=adamghill" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://python3.ninja"><img src="https://avatars1.githubusercontent.com/u/44167?v=4" width="100px;" alt=""/><br /><sub><b>Andres Vargas</b></sub></a><br /><a href="https://github.com/adamghill/django-unicorn/commits?author=zodman" title="Code">💻</a></td>
     <td align="center"><a href="http://iskra.ml"><img src="https://avatars3.githubusercontent.com/u/6555851?v=4" width="100px;" alt=""/><br /><sub><b>Eddy Ernesto del Valle Pino</b></sub></a><br /><a href="https://github.com/adamghill/django-unicorn/commits?author=edelvalle" title="Code">💻</a></td>
+    <td align="center"><a href="https://www.linkedin.com/in/yaser-al-najjar-429b9096/"><img src="https://avatars3.githubusercontent.com/u/10493809?v=4" width="100px;" alt=""/><br /><sub><b>Yaser Al-Najjar</b></sub></a><br /><a href="https://github.com/adamghill/django-unicorn/commits?author=yaseralnajjar" title="Code">💻</a></td>
   </tr>
 </table>
 
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 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!