message: Add at sign to start of dnd package name in demo
diff: @@ -19,7 +19,7 @@ export default function Nav({ variant, compressedState, dnd }: NavProps) {
  () => [
  'react-querybuilder',
  ...(variant === 'default' ? [] : [`@react-querybuilder/${variant}`]),
  - ...(dnd ? ['react-querybuilder/dnd'] : []),
  + ...(dnd ? ['@react-querybuilder/dnd'] : []),
  ],
  [dnd, variant]
  );
  