[Doc] add some english documents (#220)

* [bugfix] Checkbox border render error in weixin browser

* [bugfix] TreeSelect dependency path error

* [bugfix] Swipe should clear autoplay timer when destroyed

docs/examples-docs/en-US/image-preview.md

@@ -0,0 +1,52 @@
+<script>
+import { ImagePreview } from 'packages';
+
+export default {
+  methods: {
+    showImagePreview() {
+      ImagePreview([
+        'https://img.yzcdn.cn/upload_files/2017/03/15/FkubrzN7AgGwLlTeb1E89-T_ZjBg.png',
+        'https://img.yzcdn.cn/upload_files/2017/03/14/FmTPs0SeyQaAOSK1rRe1sL8RcwSY.jpeg',
+        'https://img.yzcdn.cn/upload_files/2017/03/15/FvexrWlG_WxtCE9Omo5l27n_mAG_.jpeg'
+      ]);
+    }
+  }
+};
+</script>
+
+## ImagePreview
+
+### Install
+
+```js
+import { ImagePreview } from 'vant';
+```
+
+### Usage
+
+#### Basic Usage
+
+:::demo Basic Usage
+```html
+<van-button @click="showImagePreview">Show</van-button>
+```
+
+```javascript
+export default {
+  methods: {
+    showImagePreview() {
+      ImagePreview([
+        'https://img.yzcdn.cn/1.jpg',
+        'https://img.yzcdn.cn/2.jpg'
+      ]);
+    }
+  }
+};
+```
+:::
+
+### 方法参数
+
+| Attribute | Description | Type |
+|-----------|-----------|-----------|
+| imageUrls | Image URL list | `Array` |