Add dark-mode

Author: codingjoe

mkdocs.yml

@@ -1,5 +1,4 @@
 site_name: Django MailAuth
-site_url: https://django-mailauth.codingjoe.dev
 repo_url: https://github.com/codingjoe/django-mail-auth
 plugins:
   - autorefs
@@ -13,6 +12,21 @@ plugins:
             - https://docs.djangoproject.com/en/stable/objects.inv
 theme:
   name: material
+  palette:
+    - media: "(prefers-color-scheme)"
+      toggle:
+        icon: material/brightness-auto
+        name: Switch to light mode
+    - media: "(prefers-color-scheme: light)"
+      scheme: default
+      toggle:
+        icon: material/brightness-7
+        name: Switch to dark mode
+    - media: "(prefers-color-scheme: dark)"
+      scheme: slate
+      toggle:
+        icon: material/brightness-4
+        name: Switch to system preference
   features:
     - search.suggest
     - search.share