QFQ encrypt/decrypt WIP: created new class for encryption and decryption of...

QFQ encrypt/decrypt WIP: created new class for encryption and decryption of strings. Implemented multiple functions to handle these data. Prepared formEditor.sql and formElement.json for new feature

assigned to @carsten.rose

changed target branch from master to develop

enabled an automatic merge when the pipeline for aa518083 succeeds

merged

mentioned in commit 5fccd012