关于Slider 滑动输入条的滑块按钮，请添加双击事件

[gcqweb]

• I have searched the issues of this repository and believe that this is not a duplicate.

What problem does this feature solve?

需要快速定位，快速恢复到默认的值。
使用时发现当设置了自定义滑动，想要快速复原时需要集中精力去定位到默认值，

What does the proposed API look like?

双击事件，可调用自定义方法或者默认的方法

[YiMo1]

你可以增加一个按钮并给按钮绑定一个点击事件，点击后重置变量值，就像表单那样。
或者通过 mark 插槽在特定的点位标记。

[github-actions]

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