Command line cli

[leonardothibes]

Implement a command line client for use in the terminal.

[leonardothibes]

Suggestions to generate:

• creditcard generate --brand visa --masked count 3
• creditcard generate -b visa -m -c 3

[leonardothibes]

Suggestions to validate:

• creditcard validate 4916217016947090
• creditcard validate "4916 2170 1694 7090"