[ADD] num2words: add support to translate some currencies in italian language

[primes2h]

Changes proposed in this pull request:

• Adding support for italian translation of some currencies (to_currency)
• Tests for italian language currencies

Status

• READY
• HOLD
• WIP (Work-In-Progress)

How to verify this change

lang='it'                                                                                     
var1 = '49.95'                                                                                                                                 
var2 = '1.01'                                                                              
b = num2words(var1, lang=lang, to='currency', currency='USD')
print(b)                                                               
d = num2words(var2, lang=lang, to='currency', currency='EUR')
print(d) 

[mrodriguezg1991]

@primes2h Hello, can you update this PR with the master branch in order to run the test and review it
Thanks

[primes2h]

@primes2h Hello, can you update this PR with the master branch in order to run the test and review it Thanks

Done, thank you.

[mrodriguezg1991]

@primes2h Can yo fix the following to pass flake8 validation in python3.10

 ./tests/test_it.py:54:1: E302 expected 2 blank lines, found 1
 ./num2words/lang_IT.py:203:1: E302 expected 2 blank lines, found 1

Thanks

[primes2h]

@primes2h Can yo fix the following to pass flake8 validation in python3.10

 ./tests/test_it.py:54:1: E302 expected 2 blank lines, found 1
 ./num2words/lang_IT.py:203:1: E302 expected 2 blank lines, found 1

Thanks

Done!

[coveralls]

Pull Request Test Coverage Report for Build 2862776794

• 39 of 40 (97.5%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.003%) to 96.513%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
num2words/lang_IT.py	27	28	96.43%

Totals
Change from base Build 2840410724:	0.003%
Covered Lines:	7117
Relevant Lines:	7296

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💛 - Coveralls

[primes2h]

@mrodriguezg1991

All ✔️ now.