[BPMN] Reuse Data Types across the process

2020 Week 43-45 (from Okt 19), 2020 Week 46-48 (from Nov 9), 2020 Week 49-51 (from Nov 30), 2020 Week 52-03 (from Dec 21), 2021 Week 04-06 (from Jan 25), 2021 Week 07-09 (from Feb 15), 2021 Week 10-12 (from Mar 8), 2021 Week 13-15 (from Mar 29), 2021 Week 16-18 (from Apr 19)