docs: add note about overriding force-dark functionality

Author: lukewalczak

docs/pages/2.theming.mdx

@@ -6,6 +6,8 @@ import DynamicColorTheme from './src/components/DynamicColorTheme.js'
 
 # Theming
 
+<b>Note:</b> To observe changes related to switching between light and dark mode in the app, ensure that the <i>"Override force-dark"</i> feature in the <i>"developer options"</i> settings on your Android device is <b>not overridden</b>.
+
 ## Applying a theme to the whole app
 
 To support custom themes, paper exports a `Provider` component. You need to wrap your root component with the provider to be able to support themes: