create new flutter object for BookmarkedBusiness

Frontend/lib/mih_components/mih_objects/bookmarked_business.dart

@@ -0,0 +1,31 @@
+class BookmarkedBusiness {
+  final int idbookmarked_businesses;
+  final String app_id;
+  final String business_id;
+  final String created_date;
+
+  BookmarkedBusiness({
+    required this.idbookmarked_businesses,
+    required this.app_id,
+    required this.business_id,
+    required this.created_date,
+  });
+  factory BookmarkedBusiness.fromJson(Map<String, dynamic> json) {
+    return switch (json) {
+      {
+        "idbookmarked_businesses": int idbookmarked_businesses,
+        "app_id": String app_id,
+        "business_id": String business_id,
+        "created_date": String created_date,
+      } =>
+        BookmarkedBusiness(
+          idbookmarked_businesses: idbookmarked_businesses,
+          app_id: app_id,
+          business_id: business_id,
+          created_date: created_date,
+        ),
+      _ => throw const FormatException(
+          'Failed to load bookmarked business objects'),
+    };
+  }
+}