Link up functionality for repeat-for-n-weeks

src/main/java/nl/tudelft/queue/DevDatabaseLoader.java

src/main/java/nl/tudelft/queue/controller/LabController.java

...va/nl/tudelft/queue/dto/create/QueueSessionCreateDTO.java

...to/create/embeddables/CapacitySessionConfigCreateDTO.java

.../queue/dto/create/embeddables/ExamLabConfigCreateDTO.java

...eue/dto/create/embeddables/SlottedLabConfigCreateDTO.java

...ft/queue/dto/create/labs/AbstractSlottedLabCreateDTO.java

...delft/queue/dto/create/labs/CapacitySessionCreateDTO.java

...va/nl/tudelft/queue/dto/create/labs/ExamLabCreateDTO.java

src/main/java/nl/tudelft/queue/service/LabService.java

src/main/java/nl/tudelft/queue/service/TimeSlotService.java

...n/resources/templates/lab/create/components/advanced.html

...t/java/nl/tudelft/queue/controller/LabControllerTest.java

...ueue/dto/create/labs/AbstractSlottedLabCreateDTOTest.java

...t/queue/dto/create/labs/CapacitySessionCreateDTOTest.java

...l/tudelft/queue/dto/create/labs/ExamLabCreateDTOTest.java

src/test/java/nl/tudelft/queue/service/LabServiceTest.java

src/test/java/test/TestDatabaseLoader.java