Add light and dark mode

Author: josephxtian

mkdocs.yml

@@ -4,6 +4,24 @@ repo_url: https://github.com/HACManchester/documentation/
 
 theme:
   name: material
+  palette:
+   # Palette toggle for light mode
+    - media: "(prefers-color-scheme: light)"
+      scheme: default
+      primary: yellow
+      accent: deep orange
+      toggle:
+        icon: material/brightness-7 
+        name: Switch to dark mode
+
+    # Palette toggle for dark mode
+    - media: "(prefers-color-scheme: dark)"
+      scheme: slate
+      primary: deep orange
+      accent: yellow
+      toggle:
+        icon: material/brightness-2
+        name: Switch to light mode
   custom_dir: 'theme'
   features:
     - tabs