add pair

lib/data/dto/pair.dart

@@ -0,0 +1,16 @@
+import 'package:game_tracker/data/dto/team.dart';
+
+class Pair extends Team {
+  Pair({
+    super.id,
+    super.createdAt,
+    required super.members,
+  });
+
+  @override
+  String toString() {
+    return 'Pair{id: $id, members: $members}';
+  }
+
+}
+