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/Models/ShippingRate.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ShippingRate extends Model
+{
+    protected $fillable = ['name','zone','price','free_from','active'];
+
+    protected $casts = ['active' => 'boolean', 'price' => 'decimal:2', 'free_from' => 'decimal:2'];
+
+    public static function forCart(float $total, string $zone = 'DE'): ?self
+    {
+        return self::where('zone', $zone)->where('active', true)->first();
+    }
+
+    public function getCostForTotal(float $total): float
+    {
+        if ($this->free_from !== null && $total >= (float) $this->free_from) {
+            return 0.0;
+        }
+        return (float) $this->price;
+    }
+}