Config: Workaround bug in sphinx theme causing search to not work

The current theme requires `sphinxcontrib.jquery` to perform search.
There is an unresolved bug [1] that results in this extension not loading automatically.

1. readthedocs/sphinx_rtd_theme#1452


git-svn-id: https://svn.blender.org/svnroot/bf-manual/branches/blender-3.5-release/blender_docs@10116 c4de1f47-6596-e411-a384-0024e86c2797

manual/conf.py

@@ -48,12 +48,13 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'reference',
+    '404',
     'peertube',
-    'sphinx.ext.mathjax',
+    'reference',
     'sphinx.ext.intersphinx',
+    'sphinx.ext.mathjax',
     'sphinx.ext.todo',
-    '404'
+    'sphinxcontrib.jquery',
 ]
 
 # Is there a better way to check for PDF building?