feat: add more color variables (#8861)

* style: add --van-warning-color

* style: add --van-success-color

* feat: add more color variables

src/contact-list/README.md

@@ -105,4 +105,4 @@ The component provides the following CSS variables, which can be used to customi
 | --van-contact-list-edit-icon-size | _16px_ | - |
 | --van-contact-list-add-button-z-index | _999_ | - |
 | --van-contact-list-item-padding | _var(--van-padding-md)_ | - |
-| --van-contact-list-item-radio-icon-color | _var(--van-red)_ | - |
+| --van-contact-list-item-radio-icon-color | _var(--van-danger-color)_ | - |

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

@@ -100,9 +100,9 @@ export default {
 
 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)。
 
-| 名称                                     | 默认值                  | 描述 |
-| ---------------------------------------- | ----------------------- | ---- |
-| --van-contact-list-edit-icon-size        | _16px_                  | -    |
-| --van-contact-list-add-button-z-index    | _999_                   | -    |
-| --van-contact-list-item-padding          | _var(--van-padding-md)_ | -    |
-| --van-contact-list-item-radio-icon-color | _var(--van-red)_        | -    |
+| 名称                                     | 默认值                    | 描述 |
+| ---------------------------------------- | ------------------------- | ---- |
+| --van-contact-list-edit-icon-size        | _16px_                    | -    |
+| --van-contact-list-add-button-z-index    | _999_                     | -    |
+| --van-contact-list-item-padding          | _var(--van-padding-md)_   | -    |
+| --van-contact-list-item-radio-icon-color | _var(--van-danger-color)_ | -    |

src/contact-list/var.less

@@ -3,4 +3,4 @@
 @contact-list-edit-icon-size: 16px;
 @contact-list-add-button-z-index: 999;
 @contact-list-item-padding: var(--van-padding-md);
-@contact-list-item-radio-icon-color: var(--van-red);
+@contact-list-item-radio-icon-color: var(--van-danger-color);