Add auto-fixers

[JoshuaKGoldberg]

🚀 Feature Request

#47 adds an autofixer for just twoslash rules. I love it.

@danvk mentioned there the autofixer could be added for other rules as well.

[JoshuaKGoldberg]

@all-contributors please add @JoshuaKGoldberg for ideas.

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[allcontributors]

@JoshuaKGoldberg

I've put up a pull request to add @JoshuaKGoldberg! 🎉

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