希望markdown增加复制代码按钮

[ChenyangGao]

Please make sure of the following things

• [X] I have read the documentation.
• [X] I'm sure there are no duplicate issues or discussions.
• [X] I'm sure this feature is not implemented.
• [X] I'm sure it's a reasonable and popular requirement.

Description of the feature / 需求描述

现在alist支持显示markdown，我有时也需要在markdown里面插入代码，我希望能在显示的markdown中，所有的代码上可以增加一个复制按钮，就像下面这张图片右上角那个一样，有个复制图标

Suggested solution / 实现思路

No response

Additional context / 附件

No response

[ChenyangGao]

如果能显示代码行号，就更好了

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions[bot]]

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