feat: implement checkout service and payment processing integration

app/Domains/Integration/Services/PaymentProviderFactory.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Domains\Integration\Services;
+
+use App\Domains\Integration\Services\Contracts\PaymentProviderInterface;
+use App\Domains\Integration\Services\Providers\TelepagosProvider;
+use InvalidArgumentException;
+
+class PaymentProviderFactory
+{
+    public function make(string $integrationCode): PaymentProviderInterface
+    {
+        return match ($integrationCode) {
+            'telepagos' => new TelepagosProvider(),
+            default => throw new InvalidArgumentException("Integración de pago no soportada: {$integrationCode}"),
+        };
+    }
+}