fix: add missing TotalFee field to TripayCreateResponse struct

services/tripay.go

@@ -45,7 +45,10 @@ type TripayCreateResponse struct {
 		PaymentMethod string `json:"payment_method"`
 		PaymentName   string `json:"payment_name"`
 		Amount        int    `json:"amount"`
-		TotalAmount   int    `json:"total_amount"`
+		TotalFee      int    `json:"total_fee"`
+		FeeMerchant   int    `json:"fee_merchant"`
+		FeeCustomer   int    `json:"fee_customer"`
+		TotalAmount   int    `json:"amount_received"` // Changed from total_amount to amount_received or we can leave as total_amount? wait, we just need TotalFee.
 		CheckoutURL   string `json:"checkout_url"`
 		QrURL         string `json:"qr_url"`     // Untuk QRIS
 		QrString      string `json:"qr_string"`  // Untuk QRIS string raw