refactoring in the work
in the work
in the work
a lot of text changes and smaller issues
'Stellvertreter' issues, validation, decorator & filter, ...
'Teilnehemr' Validations changed
output issues
added Referenznummer output
'Betrag' formatting issues
implemented CSV Upload
CSV Download refactored
cleaned up
Merge branch 'ddd_refactoring' into develop