XSD: Cleaning up XSD (100%)

added Product Backlog label

added Version 2.2.0-Beta label

changed due date to March 31, 2023

mentioned in issue #37 (closed)

• Für bessere Lesbarkeit XSD Angabe Element Definitionen immer direkt gefolgt von relevanten Typ Definitionen.
• Aufräumen Leerzeichen und White Spaces
• Anpassung Header

added Status: In Progress label and removed Product Backlog label

changed title from XSD: Cleaning up XSD to XSD: Cleaning up XSD (70%)

changed title from XSD: Cleaning up XSD (70%) to XSD: Cleaning up XSD (100%)

added Status: Review Needed label and removed Status: In Progress label

added Status: Completed label and removed Status: Review Needed label

closed