wip: added basic methods

lib/models/form_data_model.dart

@@ -0,0 +1,23 @@
+import 'package:apidash/consts.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'form_data_model.freezed.dart';
+part 'form_data_model.g.dart';
+
+@freezed
+class FormDataModel with _$FormDataModel {
+  const factory FormDataModel({
+    required String name,
+    required dynamic value,
+    required FormDataType type,
+  }) = _FormDataModel;
+
+  factory FormDataModel.fromJson(Map<String, Object?> json) =>
+      _$FormDataModelFromJson(json);
+}
+
+const kNameValueEmptyModel = FormDataModel(
+  name: "",
+  value: "",
+  type: FormDataType.text,
+);