docs: dutch translation

[SimplyMerlin]

✅ Checklist

• [ ] I have followed every step in the contributing guide (updated 2022-10-06).
• [ ] The PR title follows the convention we established conventional-commit
• [ ] I performed a functional test on my final commit

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Changelog

• [ ] Create T3 App

  • [ ] faq.md
  • [ ] folder-structure.md
  • [ ] installation.md
  • [x] introduction.md
  • [ ] other-specs.md
  • [x] t3-collection.md
  • [x] why.md

• [ ] Deployment

  • [ ] docker.md
  • [ ] vercel.md

• [ ] Usage

  • [ ] env-variables.md
  • [ ] first-steps.md
  • [ ] next-auth.md
  • [ ] next-js.md
  • [ ] prisma.md
  • [x] tailwind.md
  • [ ] trpc.md
  • [ ] typescript.md

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Everything I've done already will still have to be rephrased and looked over again to fix up some wonky sentences.

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Name	Status	Preview	Updated
create-t3-app	✅ Ready (Inspect)	Visit Preview	Dec 11, 2022 at 4:28PM (UTC)

[github-actions[bot]]

⚡️ Lighthouse report for the changes in this PR:

Category	Score
🟠 Performance	89
🟢 Accessibility	100
🟢 Best practices	100
🟠 SEO	86
🟠 PWA	54

Lighthouse ran on https://create-t3-app-git-fork-simplymerlin-dutch-translation-t3-oss.vercel.app/

[SimplyMerlin]

I realise this is still a draft, but came across this and noticed there haven't been any commits in the last 7 days, so thought I would give some feedback, on at the the introduction.

Thank you for your feedback man, been kinda busy with school lately but ill try to get the ball rolling again in the next few days!

[c-ehrlich]

please add this https://github.com/t3-oss/create-t3-app/pull/970

[juliusmarminge]

Stale. Prob easier to pick it up from the start if anyone's adding dutch in the future