fix: the enum of recuuring period for invoice

src/modules/invoices/enums/invoice-recurring-period.enum.ts

@@ -1,7 +1,7 @@
 export enum RecurringPeriodEnum {
-  WEEKLY = 1,
-  MONTHLY,
-  QUARTERLY,
-  BIANNUALLY,
-  ANNUALLY,
+  WEEKLY = 1, // هفتگی
+  MONTHLY, // ماهانه
+  QUARTERLY, // سه‌ماهه
+  SEMIANNUALLY, // شش‌ماهه
+  ANNUALLY, // سالانه
 }

src/modules/invoices/providers/invoices.service.ts

@@ -902,7 +902,7 @@ export class InvoicesService {
       case RecurringPeriodEnum.QUARTERLY:
         delayMs = dayjs().add(3, "month").subtract(7, "day").diff(dayjs());
         break;
-      case RecurringPeriodEnum.BIANNUALLY:
+      case RecurringPeriodEnum.SEMIANNUALLY:
         delayMs = dayjs().add(6, "month").subtract(7, "day").diff(dayjs());
         break;
       case RecurringPeriodEnum.ANNUALLY: