🌐 Add French translation for Tutorial - First steps

[Smlep]

Hey everyone! 👋

Here is the PR to translate the first steps page of the tutorial documentation into french.
See the french translation tracking issue here.

Thanks for the reviews👌

[codecov]

Codecov Report

Merging #3455 (0414c1d) into master (08410ca) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master     #3455   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files          409       409           
  Lines        10264     10264           
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  Hits         10264     10264           

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[github-actions]

📝 Docs preview for commit 0087ccb at: https://60e06aaba3ec238127dc5d41--fastapi.netlify.app

[Cajuteq]

I just reviewed this PR (as a native french speaker) and it looks good to me. Can be merged imo

[github-actions]

📝 Docs preview for commit 167325d at: https://60f2f50f3d0afb1c8a1a5a84--fastapi.netlify.app

[github-actions]

📝 Docs preview for commit 6c108c8 at: https://6164a090d4fe3b1ca1b4f386--fastapi.netlify.app

[AlexandreBiguet]

Hey! Thanks for the translation :)

I noticed a small typo which could be changed I guess.

In the last comment I'm nitpicking, feel free to close the thread if the change doesn't feel natural to you 👍

Thanks :)

[github-actions]

📝 Docs preview for commit c0a6c81 at: https://61758785a5f84bd2a8e1450b--fastapi.netlify.app

[AlexandreBiguet]

Thanks for the changes, LGTM too :)

[tiangolo]

Great, thank you @Smlep! 🍰

And thanks for the reviews @AlexandreBiguet, @Cajuteq, and @krocdort 🙇 ☕