[Adrianogba]

To desenvolvendo outro app que precisa validar a CNH, adicionando na lib tbm.

O número de registro da CNH tem 11 dígitos, sendo os dois últimos verificadores, calculados por módulo 11 com pesos espelhados (9 a 1 no primeiro, 1 a 9 no segundo).

Exemplo: 18718682003

Alterações:

• Criação do CNHInputFormatter
• Criação do CNHValidator, com isValid, strip e generate
• Adição de isCNHValido e gerarCNH na classe UtilBrasilFields

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.78%. Comparing base (047123a) to head (629d15b).
⚠️ Report is 23 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #114      +/-   ##
==========================================
- Coverage   97.04%   95.78%   -1.27%     
==========================================
  Files          36       42       +6     
  Lines         812      877      +65     
==========================================
+ Hits          788      840      +52     
- Misses         24       37      +13     

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