Merge branch 'feat/notifications' into 'main'

spec.json

src/api/index.ts

src/api/models/BankIDRequest.ts

src/api/models/NotificationDTO.ts

src/api/services/AuthenticationService.ts

src/api/services/FriendService.ts

src/api/services/GoalService.ts

src/api/services/NotificationService.ts

src/api/services/RedirectService.ts

src/api/services/UserService.ts

src/components/BaseComponents/NavBar.vue