feat: improved VSCode first time setup experience

[fepu08]

Closes #1579

✅ 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 - though there is no change in code but in editor settings

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Changelog

Language specific formatters defined in project's settings.json and enable Tailwind Intellisesne sugggestions.

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Name	Status	Preview	Comments	Updated (UTC)
create-t3-app	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 1, 2023 7:30am

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