feat: implement PasswordCheck module

[kolbryt]

Module contains:

• enum class ErrorCode
• getErrorMessage function
• doPasswordsMatch function
• checkPasswordRules function
• checkPassword function

In addition, the implementation of real validation in checkPasswordRules function

[ziobron]

✅ CI Passed - Task: password-check-bonus
🏅 Granted 4 XP for @kolbryt

[ziobron]

✅ CI Passed - Task: password-check
🏅 Granted 8 XP for @kolbryt

[ziobron]

✅ CI Passed - Task: formatting_check
🏅 Granted 1 XP for @kolbryt