Initial commit: WitShop Laravel Online-Shop

- Laravel 11, Blade, Alpine.js, Tailwind CSS
- Produkt- & Kategorieverwaltung mit Varianten
- Checkout (Vorkasse + Rechnung), Session-Warenkorb
- Admin-Backend (Dashboard, Bestellungen, Kunden, CMS)
- DSGVO-konform: Cookie-Consent, Impressum, Widerruf, AGB
- PDF-Rechnung via dompdf, SMTP-Mailversand
- Kundenverwaltung mit manueller Freischaltung

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/Mail/PaymentReceivedMail.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Mail;
+
+use App\Models\Order;
+use App\Models\Setting;
+use Illuminate\Bus\Queueable;
+use Illuminate\Mail\Mailable;
+use Illuminate\Queue\SerializesModels;
+
+class PaymentReceivedMail extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    public function __construct(
+        public Order $order,
+        private string $pdfContent,
+        private string $pdfFilename,
+    ) {}
+
+    public function build()
+    {
+        return $this
+            ->subject('Ihre Rechnung – ' . $this->order->order_number . ' – ' . Setting::get('shop_name'))
+            ->view('emails.payment_received')
+            ->attachData($this->pdfContent, $this->pdfFilename, ['mime' => 'application/pdf']);
+    }
+}