INFRA: Set Up Project.

lib/models/favourite_item_model.dart

@@ -0,0 +1,21 @@
+class FavouriteItemModel {
+  String? storeId;
+  String? userId;
+  String? productId;
+  String? sectionId;
+
+  FavouriteItemModel({this.storeId, this.userId, this.productId, this.sectionId});
+
+  factory FavouriteItemModel.fromJson(Map<String, dynamic> parsedJson) {
+    return FavouriteItemModel(
+      storeId: parsedJson["store_id"] ?? "",
+      userId: parsedJson["user_id"] ?? "",
+      productId: parsedJson["product_id"] ?? "",
+      sectionId: parsedJson["section_id"] ?? "",
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {"store_id": storeId, "user_id": userId, "product_id": productId, "section_id": sectionId};
+  }
+}