code: function findDefaultPlugins() {
    const globPath = path.join(__dirname, BUILT_IN_DEFAULT_PLUGIN_FOLDER_NAME);
    if (!fs.existsSync(globPath)) {
      return [];
    }
    return walkSync(globPath, {
      directories: false,
      globs: [`${MARKBIND_PLUGIN_PREFIX}*.js`],
    }).map(file => path.parse(file).name);
  }
docs: Finds plugins in the site's default plugin folder