feat:dio client done

lib/core/usecase/usecase.dart

@@ -0,0 +1,15 @@
+import 'package:dartz/dartz.dart';
+import 'package:food_delivery_client/food_delivery_client.dart';
+
+mixin UseCase<Type, Params> {
+  Future<Either<Failure, Type>> call(Params params);
+}
+
+mixin StreamUseCase<Type, Params> {
+  Stream<Either<Failure, Type>> call(Params params);
+}
+
+class NoParams extends Equatable {
+  @override
+  List<Object?> get props => [];
+}