feat: add Luhn validator constraint - #213
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Add Luhn validator for client-side validation of credit card numbers and other values (like SIRET) that must pass the Luhn algorithm. - Add Luhn.js constraint following the existing pattern - Add comprehensive tests in Luhn.test.js - Update index.js to import the new constraint The implementation follows Symfony's LuhnValidator.php logic: - Validates that the value contains only digits - Applies the Luhn algorithm to verify the checksum - Rejects values with checksum of 0 or not divisible by 10 Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
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Backport a9e4db3 into the
1.7branch.