[Doc] add goods demo (#242)

* [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

* [Doc] add goods demo

* [bugfix] button primary background color

packages/cell/index.vue

@@ -2,7 +2,7 @@
   <a :class="['van-cell', 'van-hairline', { 'van-cell--required': required }]" :href="url" @click="$emit('click')">
     <div class="van-cell__title" v-if="$slots.title || title">
       <slot name="icon">
-        <i v-if="icon" class="van-icon" :class="'van-icon-' + icon" />
+        <van-icon v-if="icon" :name="icon" />
       </slot>
       <slot name="title">
         <span class="van-cell__text" v-text="title" />