feat: email notifications about uploaded invoices to management

src/Event/DocumentUploadedEvent.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Event;
+
+use App\Entity\Upload;
+use Symfony\Contracts\EventDispatcher\Event;
+
+class DocumentUploadedEvent extends Event
+{
+    public const NAME = 'document.uploaded';
+
+    public function __construct(private readonly Upload $document)
+    {
+    }
+
+    public function getDocument(): Upload
+    {
+        return $this->document;
+    }
+}