add otherAction model

jsons/OtherAction.json

+{
+    "id":1,
+    "activityId": 1,
+    "executeDate": "2020-08-20T02:34:18.049Z",
+    "description": "test",
+    "activityTypeName": "ACTIVE_TYPE_OTHER",
+    "workerName" : "Name"
+  }

lib/models/OtherAction.dart

+import 'package:json_annotation/json_annotation.dart';
+
+part 'OtherAction.g.dart';
+
+@JsonSerializable()
+class OtherAction {
+    OtherAction();
+
+    num id;
+    num activityId;
+    String executeDate;
+    String description;
+    String activityTypeName;
+    String workerName;
+    
+    factory OtherAction.fromJson(Map<String,dynamic> json) => _$OtherActionFromJson(json);
+    Map<String, dynamic> toJson() => _$OtherActionToJson(this);
+}

lib/models/OtherAction.g.dart

+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'OtherAction.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+OtherAction _$OtherActionFromJson(Map<String, dynamic> json) {
+  return OtherAction()
+    ..id = json['id'] as num
+    ..activityId = json['activityId'] as num
+    ..executeDate = json['executeDate'] as String
+    ..description = json['description'] as String
+    ..activityTypeName = json['activityTypeName'] as String
+    ..workerName = json['workerName'] as String;
+}
+
+Map<String, dynamic> _$OtherActionToJson(OtherAction instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'activityId': instance.activityId,
+      'executeDate': instance.executeDate,
+      'description': instance.description,
+      'activityTypeName': instance.activityTypeName,
+      'workerName': instance.workerName
+    };

lib/models/index.dart

 export 'ResourceHelper.dart' ; 
 export 'nursery.dart' ; 
 export 'nurseryDetail.dart' ; 
+export 'OtherAction.dart' ;