Changes to Register a user account

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 404

added the non-success response with the status 429

added the non-success response with the status 500

the email request property format changed from no format to email

removed the request property creationDate

removed the request property retypedNewPassword