DDD implementation
3 folders with contexts -> Deanship
-> Students
-> Profesor
GenericEntities -> contine entitati folosite in 2 sau 3 agregate
Genertics -> Exceptions -> definire exceptii
-> Value Objets
3 agregate -> StudyYear aggr root for Deanship
-> Subjects aggr root for Professor
-> GradeReport aggr root for Student
Add Factory Mehtod for every aggr root