feat(views): added view handling for diets, recipes, plans and posts

lib/features/feed/models/view_model.dart

@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'view_model.freezed.dart';
+part 'view_model.g.dart';
+
+@freezed
+abstract class ViewModel with _$ViewModel {
+
+  factory ViewModel({
+    required String type,
+    List<int>? ids,
+    List<String>? slugs,
+  }) = _ViewModel;
+
+  factory ViewModel.fromJson(Map<String, dynamic> json) => _$ViewModelFromJson(json);
+}