saveDataPasswords = function(results, filename) {
    const csvLines = results.map(result =>
        `"${result.password.replace(/"/g, '""')}",${result.isStrong}`
    );
    csvLines.unshift("password,isStrong");
    fs.writeFileSync(filename, csvLines.join("\n"));
}
saveDataPasswords: Saves the password strength check results to a CSV file.