[#85] Swagger notifications

src/app.ts

src/controllers/devices/controller.ts

src/controllers/devices/dto.ts

src/controllers/notifications-controller.ts

src/controllers/notifications/controller.ts

src/controllers/notifications/dto.ts

src/models/channel.ts

src/models/notification-enums.ts

src/models/notification.ts

src/models/preference.ts

src/services/api-key-service.ts

src/services/devices-service.ts

src/services/impl/devices-service-impl.ts

src/services/impl/devices/get-user-devices.ts

src/services/impl/devices/test-user-device.ts

src/services/impl/devices/update-user-device.ts

src/services/impl/notifications-service-impl.ts

src/services/impl/notifications/get-by-id.ts

src/services/impl/notifications/send-notification.ts

src/services/impl/notifications/update-user-notification.ts