栅格系统的 Col 组件在将来的版本能否支持 flex 填充

[ffx0s]

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What problem does this feature solve?

以适应更加灵活多变的布局需求

What does the proposed API look like?

<Row>
  <Col flex="100px">100px</Col>
  <Col flex="auto">Fill Rest</Col>
</Row>

[github-actions]

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