Config hovering toolbar

const hoveringToolbar: ThemeConfigProps["hoveringToolbar"] = {
  list({ isCollapsed, selection }) {
    if (isCollapsed) {
      return [];
    }
    return [
      TextFormat.FONT_FAMILY,
      TextFormat.FONT_SIZE,
      TextFormat.BOLD,
      TextFormat.ITALIC,
      TextFormat.UNDERLINE,
      TextFormat.STRIKETHROUGH,
      TextFormat.TEXT_COLOR,
      TextFormat.BACKGROUND_COLOR,
      TextFormat.LINK,
      () => <EmojiPlugin />, // Your tools item
      TextFormat.MERGETAG,
      TextFormat.REMOVE_FORMAT,
    ];
  },
};


  const config = Retro.useCreateConfig({
    ...
    hoveringToolbar: hoveringToolbar,
  });