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/WebsiteShopArticleFeatureFactory.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Database\Factories\Shop;
+
+use App\Models\Shop\WebsiteShopArticle;
+use App\Models\Shop\WebsiteShopArticleFeature;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+class WebsiteShopArticleFeatureFactory extends Factory
+{
+    protected $model = WebsiteShopArticleFeature::class;
+
+    public function definition(): array
+    {
+        return [
+            'article_id' => WebsiteShopArticle::factory(),
+            'features' => json_encode([
+                $this->faker->word() => $this->faker->word(),
+            ]),
+        ];
+    }
+}