Merge branch 'dev' of https://github.com/youzan/vant into dev

packages/search/en-US.md

@@ -77,3 +77,4 @@ Search support all native events of input tag，such as `focus`、`blur`、`keyp
 | name | Description |
 |------|------|
 | action | Custom right button, displayed when `showAction` is true |
+| left-icon | Custom left icon |

packages/search/index.vue

@@ -8,7 +8,9 @@
       :value="value"
       :border="false"
       left-icon="search"
-    />
+    >
+      <slot name="left-icon" slot="left-icon" />
+    </field>
     <div v-if="showAction" :class="b('action')">
       <slot name="action">
         <div @click="onBack">{{ $t('cancel') }}</div>

packages/search/zh-CN.md

@@ -71,3 +71,4 @@ Search 默认支持 Input 标签所有的原生事件，如 `focus`、`blur`、`
 | 名称 | 说明 |
 |------|------|
 | action | 自定义搜索框右侧按钮，需要在`showAction`为 true 时才会显示 |
+| left-icon | 自定义输入框头部图标 |