docs: add documentation of all typings (#9359)

src/coupon-list/README.md

@@ -107,8 +107,8 @@ export default {
 | chosen-coupon | Index of chosen coupon | _number_ | `-1` |
 | coupons | Coupon list | _Coupon[]_ | `[]` |
 | disabled-coupons | Disabled coupon list | _Coupon[]_ | `[]` |
-| enabled-title | Title of coupon list | _string_ | `Available` | - |
-| disabled-title | Title of disabled coupon list | _string_ | `Unavailable` | - |
+| enabled-title | Title of coupon list | _string_ | `Available` |
+| disabled-title | Title of disabled coupon list | _string_ | `Unavailable` |
 | exchange-button-text | Exchange button text | _string_ | `Exchange` |
 | exchange-button-loading | Whether to show loading in exchange button | _boolean_ | `false` |
 | exchange-button-disabled | Whether to disable exchange button | _boolean_ | `false` |
@@ -149,6 +149,8 @@ export default {
 | valueDesc   | Value Text                          | _string_ |
 | unitDesc    | Unit Text                           | _string_ |
 
+## Theming
+
 ### CSS Variables
 
 The component provides the following CSS variables, which can be used to customize styles. Please refer to [ConfigProvider component](#/en-US/config-provider).

src/coupon-list/README.zh-CN.md

@@ -151,6 +151,8 @@ export default {
 | valueDesc   | 折扣券优惠金额文案              | _string_ |
 | unitDesc    | 单位文案                        | _string_ |
 
+## 主题定制
+
 ### 样式变量
 
 组件提供了下列 CSS 变量，可用于自定义样式，使用方法请参考 [ConfigProvider 组件](#/zh-CN/config-provider)。