RTD theme: Try to disable collapse_navigation

conf.py

@@ -54,6 +54,11 @@ if not on_rtd:  # only import and set the theme if we're building docs locally
     html_theme = 'sphinx_rtd_theme'
     html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
+# Theme options
+html_theme_options = {
+  "collapse_navigation": "False",
+}
+
 # Output file base name for HTML help builder
 htmlhelp_basename = 'GodotEnginedoc'