Added option to send mails with uuid

.env.example

@@ -24,3 +24,4 @@ MAIL_FROM_NAME=
 DOCKER_PORT=80
 
 SENTRY_LARAVEL_DSN=
+USING_UUID=false

app/Mail/UnpaidOrder.php

@@ -52,7 +52,7 @@ public function content(): Content
                 'order' => $this->order,
                 'url' => Str::of($this->api->payment_url)
                     ->finish('/')
-                    ->append($this->order['code'])
+                    ->append(config('orders.using_uuid') ? $this->order['id'] : $this->order['code'])
                     ->toString(),
             ],
         );

config/orders.php

@@ -0,0 +1,5 @@
+<?php
+
+return [
+    'using_uuid' => env('USING_UUID', false),
+];