attendence records, extra hours , rewards and punishment funnctionality have been added

lib/domain/models/extra_payment_model.dart

@@ -0,0 +1,17 @@
+import 'finance_record.dart';
+
+class ExtraPaymentModel extends FinanceRecord {
+  final double amount;
+  final String? note;
+  final bool isPenalty;
+
+  ExtraPaymentModel({
+    required super.id,
+    required super.employeeId,
+    super.date,
+    super.reason,
+    required this.amount,
+    this.note,
+    required this.isPenalty,
+  });
+}