Implemented cascading scan, track and card deletion

ref #78

src/controllers/RunnerCardController.ts

@@ -97,7 +97,7 @@ export class RunnerCardController {
 		}
 		const scanController = new ScanController;
 		for (let scan of cardScans) {
-			scanController.remove(scan.id, force);
+			await scanController.remove(scan.id, force);
 		}
 
 		await this.cardRepository.delete(card);