[Doc] add demo pages (#237)

* [bugfix] Checkbox border render error in weixin browser

* [bugfix] TreeSelect dependency path error

* [bugfix] Swipe should clear autoplay timer when destroyed

* [bugfix] Optimize component dependency analyze when build style entry

* merge

* update yarn.lock

* update README.md

* update README.md

* update README.md

* update README.md

* update README.md

* [Doc] add more badges in README.md

* update README.md

* [bugfix] Address & Contact list style

* fix: contact test cases

* [bugfix] popup style missing when build style entry

* [bugfix] Search: onSearch event arguments missing

* [Doc] add demo pages

* update zan-doc@0.3.7

* fix: build entry error

docs/src/DocsApp.vue

@@ -0,0 +1,61 @@
+<template>
+  <div class="app">
+    <zan-doc :simulators="simulators" :currentSimulator="currentSimulator" :config="config" :base="base">
+      <router-view @changeDemoURL="onChangeDemoURL"></router-view>
+    </zan-doc>
+  </div>
+</template>
+
+<script>
+import docConfig from './doc.config';
+import { getLang } from './utils/lang';
+
+export default {
+  data() {
+    if (window.location.host === 'www.youzanyun.com') {
+      const group = docConfig['zh-CN'].nav[0].groups[0];
+      group.list = group.list.filter(item => item.title !== '业务组件');
+    }
+
+    return {
+      simulators: [`/zanui/vue/examples${location.hash}`],
+      demoURL: '',
+      lang: getLang()
+    };
+  },
+
+  computed: {
+    base() {
+      return `/${this.lang}/component`;
+    },
+
+    config() {
+      return docConfig[this.lang];
+    },
+
+    currentSimulator() {
+      return this.$route.name === 'zh-CN/demo' ? 1 : 0;
+    }
+  },
+
+  watch: {
+    '$route'(to) {
+      this.lang = to.meta.lang;
+    }
+  },
+
+  methods: {
+    onChangeDemoURL(url) {
+      this.simulators = [this.simulators[0], url];
+    }
+  }
+};
+</script>
+
+<style lang="postcss">
+.zan-doc-content--quickstart {
+  h3:not(:first-of-type) {
+    margin-top: 35px;
+  }
+}
+</style>