ci: GHA basic format & pre-commit (#2309)

diff --git a/docs/conf.py b/docs/conf.py
index 663a816..0946f30 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -130,8 +130,8 @@
 else:
     html_context = {
         'css_files': [
-            '//media.readthedocs.org/css/sphinx_rtd_theme.css',            
-            '//media.readthedocs.org/css/readthedocs-doc-embed.css',    
+            '//media.readthedocs.org/css/sphinx_rtd_theme.css',
+            '//media.readthedocs.org/css/readthedocs-doc-embed.css',
             '_static/theme_overrides.css'
         ]
     }