feat(doc): add light/dark mode to documentation🧾 (#78)

* feat(doc): add light/dark mode to documentation

* feat(doc): cleanup

mkdocs.yml

@@ -7,9 +7,31 @@ theme:
   logo: img/logo.png
   favicon: img/favicon.ico
   name: material
+  darkMode: true
   palette:
-    primary: black
-    accent: indigo
+    # Palette toggle for automatic mode
+    - media: "(prefers-color-scheme)"
+      toggle:
+        icon: material/brightness-auto
+        name: Switch to light mode
+      primary: black
+      accent: indigo
+    # Palette toggle for light mode
+    - media: "(prefers-color-scheme: light)"
+      scheme: default
+      toggle:
+        icon: material/brightness-7
+        name: Switch to dark mode
+      primary: black
+      accent: indigo
+    # Palette toggle for dark mode
+    - media: "(prefers-color-scheme: dark)"
+      scheme: slate
+      toggle:
+        icon: material/brightness-4
+        name: Switch to system preference
+      primary: black
+      accent: indigo
   icon:
     repo: fontawesome/brands/github
     edit: material/pencil