added save image and more feature

lib/model/model_data.dart

@@ -0,0 +1,12 @@
+import 'package:hive/hive.dart';
+
+part 'model_data.g.dart';
+
+@HiveType(typeId: 0)
+class Model extends HiveObject {
+  @HiveField(0)
+  late DateTime createdDate;
+
+  @HiveField(1)
+  late String datanya;
+}