feat: add support for Password validation class

[max13fr]

Hello,

This pull request add the support for Password class main rules (min, max, mixedCases, letters, numbers, and symbols currently) :

https://laravel.com/docs/11.x/validation#validating-passwords

Best regards, Max

[shalvah]

THanks, and sorry for the delay! Could you add a test, please? You can look for the other tests of this class and add a new example.

[brianferri]

@max13fr updates on this?