feat: file qrcode

[Leskur]

单文件导出外链时显示文件二维码

[lihsai0]

很赞！但是我已经不负责这个代码仓库了，所以需要其他人来 Review。顺带说一下，src/renderer/components/modals/preview-file/file-operation/generate-link.tsx 可能也需要更改。

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Great works! However, I have left this repo, so someone else will review it.
By the way, src/renderer/components/modals/preview-file/file-operation/generate-link.tsx may also need some updates.

[qiniu-x]

[Git-flow] Hi @Leskur, There are some suggestions for your information:

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Rebase suggestions

• Following commits have duplicated messages

  feat: file qrcode

  feat: file qrcode

Which seems insignificant, recommend to use git rebase command to reorganize your PR.

For other git-flow instructions, recommend refer to these examples.

If you have any questions about this comment, feel free to raise an issue here:

• https://github.com/qiniu/reviewbot