split struct

lib/application/printer/print_struck/print_struck_event.dart

@@ -6,4 +6,5 @@ class PrintStruckEvent with _$PrintStruckEvent {
   const factory PrintStruckEvent.cashier(Order order) = _Cashier;
   const factory PrintStruckEvent.payment(Order order) = _Payment;
   const factory PrintStruckEvent.voided(Order order) = _Voided;
+  const factory PrintStruckEvent.splitBill(Order order) = _SplitBill;
 }