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/Community/Staff/WebsiteOpenPositionFactory.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Database\Factories\Community\Staff;
+
+use App\Models\Community\Staff\WebsiteOpenPosition;
+use App\Models\Community\Teams\WebsiteTeam;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+class WebsiteOpenPositionFactory extends Factory
+{
+    protected $model = WebsiteOpenPosition::class;
+
+    public function definition(): array
+    {
+        return [
+            'team_id' => WebsiteTeam::factory(),
+            'position_kind' => $this->faker->randomElement(['rank', 'role']),
+            'permission_id' => 1,
+            'apply_from' => now()->subDay(),
+            'apply_to' => now()->addMonth(),
+        ];
+    }
+}