Tanslate transforming data

[isy]

レビューお願いします🙏

• 原文ページ
  https://www.gatsbyjs.org/docs/recipes/transforming-data/

[uetchy]

非常に読みやすいです👍

[isy]

修正しました！👻

[uetchy]

🎉

[hirotaka]

ありがとうございます！翻訳はとてもわかりやすかったです。
半角と全角のスペースだけいれさせていただきました。

[hirotaka]

docs/tutorial/index.md でGatsbyで固有の名称はカタカナにしていたので、修正させてもらいました。

[isy]

@hirotaka
レビューありがとうございます！修正しました✍

[hirotaka]

ありがとうございます！
LGTM 👍

[uetchy]

🎉

[gatsbot]

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