update email template

app/Integrations/Whmcs/DTOs/InvoiceData.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Integrations\Whmcs\DTOs;
+
+class InvoiceData
+{
+    /** @param InvoiceItemData[] $items */
+    public function __construct(
+        public readonly int $legacyId,
+        public readonly string $invoiceNumber,
+        public readonly ?int $customerId,
+        public readonly ?int $orderId,
+        public readonly ?string $date,
+        public readonly int $subTotal,
+        public readonly int $discountAmount,
+        public readonly int $tax,
+        public readonly int $total,
+        public readonly int $status,
+        public readonly ?string $paymentMethod,
+        public readonly ?string $dueDate,
+        public readonly ?string $paidAt,
+        public readonly ?string $note,
+        public readonly ?string $createdAt,
+        public readonly array $items,
+    ) {
+    }
+}