Update links.html

Author: escbeargew99-stack

doc/en/_templates/links.html

@@ -1,5 +1,5 @@
 <h3>Useful Links</h3>
-<ul>
+<ul> 
   <li><a href="https://pypi.org/project/pytest/">pytest @ PyPI</a></li>
   <li><a href="https://github.com/pytest-dev/pytest/">pytest @ GitHub</a></li>
   <li><a href="https://github.com/pytest-dev/pytest/issues">Issue Tracker</a></li>