message: docs: fix v2 site link
diff: @@ -17,7 +17,7 @@ export default {
  defaultLang: 'en-US',
  versions: [
  { label: 'v1', link: '/vant/v1/' },
  - { label: 'v2', link: '/vant/' },
  + { label: 'v2', link: '/vant/v2/' },
  ],
  baiduAnalytics: {
  seed: 'ad6b5732c36321f2dafed737ac2da92f',
  