feat(http): implements doublelinked list for middlewares

packages/wyatt_http_client/lib/src/models/middleware_request.dart

@@ -16,25 +16,33 @@
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 import 'package:http/http.dart';
+
+import 'package:wyatt_http_client/src/models/middleware_context.dart';
 import 'package:wyatt_http_client/src/models/unfreezed_request.dart';
 import 'package:wyatt_http_client/src/utils/utils.dart';
 
 class MiddlewareRequest {
   UnfreezedRequest unfreezedRequest;
   Request httpRequest;
+  MiddlewareContext context;
 
   MiddlewareRequest({
     required this.unfreezedRequest,
     required this.httpRequest,
-  });
+    required this.context,
+  }) {
+    context = context.copyWith(originalRequest: this);
+  }
 
   MiddlewareRequest copyWith({
     UnfreezedRequest? unfreezedRequest,
     Request? httpRequest,
+    MiddlewareContext? context,
   }) {
     return MiddlewareRequest(
       unfreezedRequest: unfreezedRequest ?? this.unfreezedRequest,
       httpRequest: httpRequest ?? this.httpRequest,
+      context: context ?? this.context,
     );
   }
 
@@ -85,5 +93,5 @@ class MiddlewareRequest {
 
   @override
   String toString() => 'MiddlewareRequest(unfreezedRequest: '
-      '$unfreezedRequest, httpRequest: $httpRequest)';
+      '$unfreezedRequest, httpRequest: $httpRequest, context: $context)';
 }