docs: make all navigation entries expandable
@@ -218,7 +218,7 @@ html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
# further. For a list of options available for each theme, see the
# documentation.
#
-# html_theme_options = {}
+html_theme_options = {"collapse_navigation": False, "navigation_depth": 4}
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
