Enable day/night mode, add autohide

mkdocs.yml

@@ -11,14 +11,31 @@ repo_name: Source
 theme:
   name: material
   palette:
-   primary: 'white'
-   accent: 'indigo'
+
+    # Palette toggle for light mode
+    - scheme: default
+      primary: 'white'
+      accent: 'indigo'
+      toggle:
+        icon: material/lightbulb-night-outline
+        name: Switch to dark mode
+
+    # Palette toggle for dark mode
+    - scheme: slate
+      primary: 'indigo'
+      accent: 'indigo'
+      toggle:
+        icon: material/lightbulb-on-outline
+        name: Switch to light mode
   features:
-    - navigation.instant
-    - navigation.tracking
     - search.highlight
     - search.share
     - toc.follow
+    - navigation.instant
+    - navigation.tracking
+    - navigation.sections
+    - navigation.expand
+    - header.autohide
   icon:
     repo: fontawesome/brands/gitlab