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)

app/Models/User/UserReferral.php

@@ -7,6 +7,7 @@ namespace App\Models\User;
 use App\Models\Concerns\BelongsToUser;
 use App\Models\User;
 use Carbon\Carbon;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 
 /**
@@ -20,6 +21,7 @@ use Illuminate\Database\Eloquent\Model;
 class UserReferral extends Model
 {
     use BelongsToUser;
+    use HasFactory;
 
     #[\Override]
     protected $guarded = ['id', 'created_at', 'updated_at', 'user_id', 'referral_code'];