Merge pull request #19 from IOIOI/master

SAD / SRA / DB angepasst und aktualisiert
finish SAD Business and System objectives
add winEncoding SAD
save berfore merge
SAD - diagrams included, textfields formatted
SAD - Diagrams added, textfields formatted
Merge pull request #20 from FrostbiteDX/master-Meins

Master meins
Backend Anpassung in der SAD