Use material theme with switch for dark mode

pages/mkdocs.yml

@@ -9,9 +9,21 @@ nav:
   - "API documentation": ragdoc/index.html
 
 theme:
-  name: readthedocs
-  custom_dir: custom_theme/
+  name: material
   font: false
+  palette: 
+
+    # Palette toggle for light mode
+    - scheme: default
+      toggle:
+        icon: material/brightness-7 
+        name: Switch to dark mode
+
+    # Palette toggle for dark mode
+    - scheme: slate
+      toggle:
+        icon: material/brightness-4
+        name: Switch to light mode
 
 markdown_extensions:
   - toc: