[Improvement] Reorganize document (#1066)

packages/switch-cell/en-US.md

@@ -0,0 +1,64 @@
+## SwitchCell
+`SwitchCell` component is an encapsulation of `Switch` and `Cell`.
+
+### Install
+``` javascript
+import { SwitchCell } from 'vant';
+
+Vue.use(SwitchCell);
+```
+
+### Usage
+
+#### Basic Usage
+
+```html
+<van-cell-group>
+  <van-switch-cell v-model="checked" title="Title" />
+</van-cell-group>
+```
+
+```javascript
+export default {
+  data() {
+    return {
+      checked: true
+    }
+  }
+}
+```
+
+
+#### Disabled
+use `disabled` property to disable the component
+
+```html
+<van-cell-group>
+  <van-switch-cell v-model="checked" disabled title="Title" />
+</van-cell-group>
+```
+
+
+#### Loading
+use `loading` property to keep component in loading state
+
+```html
+<van-cell-group>
+  <van-switch-cell v-model="checked" loading title="Title" />
+</van-cell-group>
+```
+
+### API
+
+| Attribute | Description | Type | Default |
+|-----------|-----------|-----------|-------------|
+| v-model | on-off state of the switch | `Boolean` | - |
+| title | the leftside title |  `String` | `''` |
+| loading | whether the component is in loading state |  `Boolean` | `false` |
+| disabled | whether to disable the component |  `Boolean` | `false` |
+
+### Event
+
+| Event | Description | Arguments |
+|-----------|-----------|-----------|
+| change | triggered when the on-off state is changed | checked: switch is on or not |