doc theme

doc/conf.py

@@ -92,6 +92,13 @@ pygments_style = 'sphinx'
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 html_theme = 'default'
+html_theme_options = {
+    "rightsidebar": "true",
+    "nosidebar": "false",
+    "sidebarbgcolor": "black",
+    "relbarbgcolor": "black"
+    }
+
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the