User constructor
User(- {required String subject,
- String? name,
- String? givenName,
- String? familyName,
- String? middleName,
- String? nickname,
- String? preferredUsername,
- Uri? profile,
- Uri? picture,
- Uri? website,
- String? email,
- bool? emailVerified,
- String? gender,
- String? birthdate,
- String? zoneinfo,
- String? locale,
- String? phoneNumber,
- bool? phoneNumberVerified,
- String? formattedAddress,
- String? streetAddress,
- String? locality,
- String? region,
- String? postalCode,
- String? country,
- DateTime? updatedAt}
)