fix: standardize language to English in README and AlertSettings

feat: add 24 model factories for Help, Shop, Community, Game, User domains

- Translate mixed Dutch/English strings in README.md and AlertSettings.php
- Add HasFactory trait to 23 models
- Create factories for Help (6), Shop (4), Community (5), Game (2), User (7)

database/factories/Shop/WebsiteShopVoucherFactory.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Database\Factories\Shop;
+
+use App\Models\Shop\WebsiteShopVoucher;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+class WebsiteShopVoucherFactory extends Factory
+{
+    protected $model = WebsiteShopVoucher::class;
+
+    public function definition(): array
+    {
+        return [
+            'code' => strtoupper($this->faker->bothify('VOUCHER-????-####')),
+            'max_uses' => $this->faker->numberBetween(1, 100),
+            'use_count' => 0,
+            'amount' => $this->faker->numberBetween(100, 5000),
+            'expires_at' => $this->faker->dateTimeBetween('+1 month', '+1 year'),
+        ];
+    }
+}