Add Italian translation for "thousand" and fix singulars

[aborruso]

I have added the thousand Italian string

[codecov-commenter]

Codecov Report

Merging #97 (31b9ead) into main (1feba83) will not change coverage.
The diff coverage is n/a.

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@@           Coverage Diff           @@
##             main      #97   +/-   ##
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  Coverage   99.05%   99.05%           
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  Files           9        9           
  Lines         743      743           
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  Hits          736      736           
  Misses          7        7           

Flag	Coverage Δ
macos-latest	97.44% <ø> (-0.41%)	⬇️
ubuntu-latest	97.84% <ø> (ø)
windows-latest	95.96% <ø> (ø)

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[hugovk]

Thanks! Are there different forms for singular and plural? If so, please put the singular first and plural second.

[aborruso]

Thanks! Are there different forms for singular and plural? If so, please put the singular first and plural second.

I have seen that there are several errors on singulars. I correct them all

[aborruso]

Thanks! Are there different forms for singular and plural? If so, please put the singular first and plural second.

Done, thank you

31b9ead

[hugovk]

Grazie mille!

[aborruso]

Grazie mille!

how to use humanize and these two PR of mines? Do you will create a new release or do I must install if from git?

Thank you

[hugovk]

I've just released them in 4.6.0. Thanks again!

[aborruso]

I've just released them in 4.6.0. Thanks again!

thank you