Added light/dark mode switch

Author: forman

mkdocs.yml

@@ -11,7 +11,21 @@ nav:
   - API Reference: api.md
   - About: about.md
 
-theme: material
+theme:
+  name: material
+  palette:
+    # Palette toggle for light mode
+    - scheme: default
+      primary: light green
+      toggle:
+        icon: material/brightness-7
+        name: Switch to dark mode
+    # Palette toggle for dark mode
+    - scheme: slate
+      primary: green
+      toggle:
+        icon: material/brightness-4
+        name: Switch to light mode
 
 markdown_extensions:
   - admonition