Italian translation in README-IT.md has some improvable idiomatic expressions

[moDal7]

Checklist

• [x] Search Through Issues
• [x] Find issue you want to work on
• [x] Check if someone else has already worked on and made a pull request on said issue
• [x] (Optional) Double check pull requests for someone who has worked on the pull request

The italian translation of the README file has some weird and anti-idiomatic expressions which could be improved to sound more natural and less directly translated from english. Some examples could be:

Ogni Giorno Git Regole del volo Git

I am actively making this minor fixes.

[erictleung]

Closing as fixed. Happy coding!