Add CleanClip

[s1ntoneli]

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• New addition to list
• Fixing bug in existing item in list
• Removing item from list
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Proposed Changes

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2. If you're fixing a bug or resolving a feature request, be sure to link to that issue.

CleanClip is a super clean clipboard manager app. It can help us automatically record the copy history of the clipboard, avoiding important content being overwritten. I think CleanClip will greatly help us in our daily work.

CleanClip 是一个非常干净的剪贴板管理应用, 他可以帮助我们自动保存剪贴板的复制记录，避免重要内容被覆盖。也可以帮助我们在某些工作中提升工作效率。我想 CleanClip 会在日常工作中很大地帮助到我们。

PR Checklist

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• I have read the CONTRIBUTING guide
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Further Comments

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