Giornaledisistema patch 4

[giornaledisistema]

This is the re-presentation of PR #349:

1. updated Italian translation of the "Introduction" section;
2. fixed the quotation marks in the tips.en.mdx file.

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Name	Status	Preview	Comments	Updated (UTC)
prompt-engineering-guide	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 2, 2024 3:27pm

[omarsar]

@giornaledisistema reviewing now...

thanks