new project stable version

lib/domain/usecase/get_available_zones_usecase.dart

@@ -0,0 +1,15 @@
+
+import '../entities/zone.dart';
+import '../repositories/zone_repository.dart';
+
+
+class GetAvailableZonesUsecase {
+  final ZoneRepository repository;
+
+  GetAvailableZonesUsecase(this.repository);
+
+  Future<List<Zone>?> call(List<double> area, int page, int pageSize) {
+    return repository.getZones(area, page, pageSize);
+  }
+}
+