config2.js

module.exports = {
  themeConfig: {
    nav: [
      // Normal Links
      { text: 'Guide', link: '/guide/' },
      { text: 'External', link: 'https://google.com' },
      
      // Links with dropdown
      {
        text: 'Languages',
        items: [
          { text: 'Chinese', link: '/language/chinese' },
          { text: 'Japanese', link: '/language/japanese' }
        ]
      },
      
      // Grouped Items inside dropdown
      {
        text: 'Languages',
        items: [
          { 
            text: 'Group1', 
            items: [
              { text: 'Chinese', link: '/language/chinese' },
              { text: 'Japanese', link: '/language/japanese' }
            ] 
          },
        ]
      }
    ]
  }
}