[Doc] update document site title (#274)

* [bugfix] CouponList always show empty info

* [bugfix] add click feedback of buttons in components

* [Doc] add custom theme document

* [new feature] Notice bar support more props

* [bugfix] PullRefresh test cases

* [bugfix] unused NoticeBar style

* [bugfix] Swipe width calc error

* [Doc] english document of all action components

* [Doc] change document site path to /zanui/vant

* [Doc] fix

* [bugfix] uploader style error

* [bugfix] tabs document demo

* [new feature] Cell support vue-router target route

* [bugfix] add cell test cases

* update yarn.lock

* [bugfix] Tabbar cann't display info when use icon slot

* [Doc] update document title

docs/src/doc.config.js

@@ -8,7 +8,7 @@ module.exports = {
     footer: {
       github: 'https://github.com/youzan/vant',
       nav: {
-        'React 组件库': 'https://www.youzanyun.com/zanui/react',
+        'React 组件库': 'https://www.youzanyun.com/zanui/zent',
         小程序组件库: 'https://github.com/youzan/zanui-weapp',
         意见反馈: 'https://github.com/youzan/vant/issues',
         开发指南: 'https://github.com/youzan/vant/blob/dev/.github/CONTRIBUTING.zh-CN.md',
@@ -275,7 +275,7 @@ module.exports = {
     footer: {
       github: 'https://github.com/youzan/vant',
       nav: {
-        'React UI': 'https://www.youzanyun.com/zanui/react',
+        'React UI': 'https://www.youzanyun.com/zanui/zent',
         'Weapp UI': 'https://github.com/youzan/zanui-weapp',
         Feedback: 'https://github.com/youzan/vant/issues',
         Contribute: