🔧 Enable auto dark mode (#175)

mkdocs.yml

@@ -4,22 +4,35 @@ site_url: https://asyncer.tiangolo.com/
 theme:
   name: material
   palette:
-  - scheme: default
+  - media: "(prefers-color-scheme)"
+    toggle:
+      icon: material/lightbulb-auto
+      name: Switch to light mode
+  - media: '(prefers-color-scheme: light)'
+    scheme: default
     primary: orange
     accent: indigo
     toggle:
       icon: material/lightbulb
       name: Switch to dark mode
-  - scheme: slate
+  - media: '(prefers-color-scheme: dark)'
+    scheme: slate
     primary: orange
     accent: indigo
     toggle:
       icon: material/lightbulb-outline
-      name: Switch to light mode
+      name: Switch to system preference
   features:
   - search.suggest
   - search.highlight
   - content.tabs.link
+  - navigation.indexes
+  - content.tooltips
+  - navigation.path
+  - content.code.annotate
+  - content.code.copy
+  - content.code.select
+  # - navigation.tabs
   icon:
     repo: fontawesome/brands/github-alt
   logo: img/icon-white.svg