clean up

lib/data/services/package_service.dart

@@ -0,0 +1,7 @@
+import 'package:fcs/domain/entities/package.dart';
+
+abstract class PackageService {
+  Future<void> createPackages(List<Package> packages, String fcsID);
+  Future<void> deletePackage(Package package);
+  Future<List<Package>> searchPackage(String term);
+}