build: add files of vant-cli 2

packages/vant-cli/site/desktop/main.js

@@ -0,0 +1,38 @@
+import Vue from 'vue';
+import VueRouter from 'vue-router';
+import VantDoc from '@vant/doc';
+import App from './App';
+import routes from './router';
+import { isMobile } from '../common';
+import '../common/iframe-router';
+
+Vue.use(VantDoc);
+Vue.use(VueRouter);
+
+if (isMobile) {
+  location.replace('mobile.html' + location.hash);
+}
+
+const router = new VueRouter({
+  mode: 'hash',
+  routes,
+  scrollBehavior(to) {
+    if (to.hash) {
+      return { selector: to.hash };
+    }
+
+    return { x: 0, y: 0 };
+  }
+});
+
+router.afterEach(() => {
+  Vue.nextTick(() => window.syncPath());
+});
+
+window.vueRouter = router;
+
+new Vue({
+  el: '#app',
+  render: h => h(App),
+  router
+});