Fixed some typos in pokemon-typings.md

[njs-guy]

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• [ ] Bug fix
• [ ] New feature
• [ ] Improvement
• [ ] Breaking change
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Describe the changes

Fixed some typos in docs\src\typings\pokemon-typings.md

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Name	Status	Preview	Comments	Updated (UTC)
pokenode-ts	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 19, 2023 11:21pm

[github-actions[bot]]

:tada: This PR is included in version 1.20.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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