fix yml lint error

Author: Archmonger

docs/mkdocs.yml

@@ -124,13 +124,7 @@ watch:
 site_name: ReactPy-Django
 site_author: Archmonger
 site_description: It's React, but in Python. Now with Django integration.
-copyright: '©
-<div id="year"></div>
-<script> document.getElementById("year").innerHTML = new Date().getFullYear(); </script>
-Reactive Python and affiliates.
-<div class="legal-footer-right">
-This project has no affiliation to ReactJS or Meta Platforms, Inc.
-</div>'
+copyright: '&copy; <div id="year"></div> <script>document.getElementById("year").innerHTML = new Date().getFullYear();</script> Reactive Python and affiliates. <div class="legal-footer-right">This project has no affiliation to ReactJS or Meta Platforms, Inc.</div>'
 repo_url: https://github.com/reactive-python/reactpy-django
 site_url: https://reactive-python.github.io/reactpy-django
 repo_name: ReactPy Django (GitHub)