docs: quality of life improvements

mkdocs.yml

@@ -1,5 +1,28 @@
 site_name: "felt-upload"
-theme: material
+theme:
+    name: material
+    palette:
+        # Palette toggle for automatic mode
+        - media: "(prefers-color-scheme)"
+          toggle:
+            icon: material/brightness-auto
+            name: Switch to light mode
+
+        # Palette toggle for light mode
+        - media: "(prefers-color-scheme: light)"
+          scheme: default
+          toggle:
+            icon: material/brightness-7
+            name: Switch to dark mode
+
+        # Palette toggle for dark mode
+        - media: "(prefers-color-scheme: dark)"
+          scheme: slate
+          toggle:
+            icon: material/brightness-4
+            name: Switch to system preference
+
+repo_url: https://github.com/alekzvik/felt_upload
 nav:
     - index.md
     - cli.md