adding packages

packages/pocketbase_sync/example/lib/models/message.dart

@@ -0,0 +1,14 @@
+import 'package:dart_mappable/dart_mappable.dart';
+
+part 'message.mapper.dart';
+
+@MappableClass()
+class Message with MessageMappable {
+  final String id;
+  final String message;
+  final String author;
+
+  Message({required this.id, required this.message, required this.author});
+
+  static const fromJson = MessageMapper.fromJson;
+}