Add prettier-ignore-start + prettier-ignore-end workaround

[karlhorky]

Workaround for https://github.com/mdx-js/mdx-analyzer/issues/454

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)
• [x] If applicable, I’ve added docs and tests

Description of changes

Document workaround for Prettier with MDX + JSDoc props types

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: e6aae5d19b7ef5dad3f599a83648af6c922b0420

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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Additional details and impacted files

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  Coverage        ?   91.43%           
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  Files           ?       10           
  Lines           ?     1600           
  Branches        ?        0           
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  Hits            ?     1463           
  Misses          ?      137           
  Partials        ?        0           

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[github-actions[bot]]

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