feat: respect `.remarkignore`?

[JounQin]

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Initial checklist

• [X] I read the support docs
• [X] I read the contributing guide
• [X] I agree to follow the code of conduct
• [X] I searched issues and couldn’t find anything (or linked relevant results below)

Problem

.remarkignore is not respected now, which could cause migrating from remark-lint not smooth enough

Solution

Respect .remarkignore

Alternatives

N/A