[Improvement] Reorganize document (#1066)

packages/rate/en-US.md

@@ -0,0 +1,56 @@
+## Rate
+
+### Install
+``` javascript
+import { Rate } from 'vant';
+
+Vue.use(Rate);
+```
+
+### Usage
+
+#### Basic Usage
+
+```html
+<van-rate v-model="value" />
+```
+
+```javascript
+export default {
+  data() {
+    return {
+      value: 3
+    };
+  }
+}
+```
+
+#### Custom Color
+
+```html
+<van-rate
+  v-model="value"
+  :size="25"
+  :count="6"
+  color="#2ba"
+  void-color="#ceefe8"
+/>
+```
+
+#### Disabled
+
+```html
+ <van-rate v-model="value" disabled />
+```
+
+### Rate API
+
+| Attribute | Description | Type | Default |
+|-----------|-----------|-----------|-------------|
+| v-model | Current rate | `Number` | - |
+| count | Count | `Number` | `5` |
+| size | Icon size (px) | `Number` | `20` |
+| color | Selected color | `String` | `#ffd21e`  |
+| void-color | Void color | `String` | `#c7c7c7` |
+| disabled-color | Disabled color | `String` | `#bdbdbd` | 
+| disabled | Whether to disable rate | `Boolean` | `false` |

packages/rate/zh-CN.md

@@ -0,0 +1,56 @@
+## Rate 评分
+
+### 使用指南
+``` javascript
+import { Rate } from 'vant';
+
+Vue.use(Rate);
+```
+
+### 代码演示
+
+#### 基础用法
+
+```html
+<van-rate v-model="value" />
+```
+
+```javascript
+export default {
+  data() {
+    return {
+      value: 3
+    };
+  }
+}
+```
+
+#### 自定义颜色
+
+```html
+<van-rate
+  v-model="value"
+  :size="25"
+  :count="6"
+  color="#2ba"
+  void-color="#ceefe8"
+/>
+```
+
+#### 禁用状态
+
+```html
+ <van-rate v-model="value" disabled />
+```
+
+### Rate API
+
+| 参数 | 说明 | 类型 | 默认值 |
+|-----------|-----------|-----------|-------------|
+| v-model | 当前分值 | `Number` | - |
+| count | 图标总数 | `Number` | `5` |
+| size | 图标大小 (px) | `Number` | `20` |
+| color | 选中时的颜色 | `String` | `#ffd21e`  |
+| void-color | 未选中时的颜色 | `String` | `#c7c7c7` |
+| disabled-color | 不可选时的颜色 | `String` | `#bdbdbd` | 
+| disabled | 是否禁用评分 | `Boolean` | `false` |