📝 Remove references to a .rst README generated by poetry new

[machml]

Updated the tutorial doc on packaging Typer CLI tools to reflect current Poetry behaviour.

Currently, the default extension for the README generated by poetry new is .md (not .rst) since this PR.

[github-actions]

📝 Docs preview for commit c97b845 at: https://64a1f6c457067b1b9d93f059--typertiangolo.netlify.app

[JacobKochems]

PR Review Report

according to this guide lines

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TL;DR: No code changed. The command poetry new indeed generates a README.md file.

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Understand the problem

The docs should be updated to reflect current Poetry behavior.

Check the code

Reproduce the claimed solution

• No code to be run.
• No need for a local clone.

Tests

Nothing to test.

Documentation

I looked at the linked docs preview and the formatting/spelling checks out.

[github-actions]

📝 Docs preview for commit 02ba98d at: https://1731a750.typertiangolo.pages.dev

[github-actions]

📝 Docs preview for commit b2111ff at: https://4877c586.typertiangolo.pages.dev

[github-actions]

📝 Docs preview for commit 7fbfad7 at: https://92ac836e.typertiangolo.pages.dev

[svlandeg]

Thanks for the contribution, @jonasmmiguel! I pushed a few updates directly to your branch, but overall this looks good to merge to me 😎

[tiangolo]

Great, thank you @jonasmmiguel! 🤓

Thanks @JacobKochems for the review with a comment explaining what you checked, that's super helpful! 🍰

Thanks for the review @kinuax. ☕

And thanks @svlandeg for the help as always! 😎 🎉

[github-actions]

📝 Docs preview for commit bbb0d37 at: https://ef2a6b84.typertiangolo.pages.dev