Add PayPal checkout provider

app/Services/PayPal/Exceptions/PayPalException.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Services\PayPal\Exceptions;
+
+use RuntimeException;
+
+class PayPalException extends RuntimeException
+{
+    public function __construct(string $message, private readonly ?int $status = null, private readonly array $context = [])
+    {
+        parent::__construct($message, $status ?? 0);
+    }
+
+    public function status(): ?int
+    {
+        return $this->status;
+    }
+
+    public function context(): array
+    {
+        return $this->context;
+    }
+}