Add documentation for Aladdin/Safenet XML
Add documentation for Aladdin/Safenet XML

Closes #1983

privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea