Change logo href back to index

Author: leonarduschen

pydata_sphinx_theme/docs-navbar.html

@@ -2,7 +2,7 @@
 <div class="container-xl">
 
     {% if logo %}
-    <a class="navbar-brand" href="{{ pathto(master_doc) }}">
+    <a class="navbar-brand" href="{{ pathto(index) }}">
       <img src="{{ pathto('_static/' + logo, 1) }}" class="logo" alt="logo">
     </a>
     {% endif %}