message: Use Suspense on playground
diff: @@ -33,7 +33,9 @@ const theme = css`
  const errorProps = { as: PlaygroundError };
  -const PlaygroundEditor = dynamic(() => import("./playground-editor"));
  +const PlaygroundEditor = dynamic(() => import("./playground-editor"), {
  + suspense: true,
  +});
  const PlaygroundPreview = dynamic(() => import("./playground-preview"), {
  suspense: true,
  