add shipments

lib/data/services/package_imp.dart

@@ -48,4 +48,9 @@ class PackageServiceImp implements PackageService {
   Future<void> deleteProcessing(Package package) {
     return packageDataProvider.deleteProcessing(package);
   }
+
+  @override
+  Future<void> changeDeliveryAddress(String packageID, String deliveryID) {
+    return packageDataProvider.changeDeliveryAddress(packageID, deliveryID);
+  }
 }