Models should have a HasFactory trait

Models included the `HasFactory` trait in version >= 8 of Laravel

Author: egyjs

src/Console/stubs/crud-model.stub

@@ -4,10 +4,12 @@ namespace DummyNamespace;
 
 use Illuminate\Database\Eloquent\Model;
 use Backpack\CRUD\app\Models\Traits\CrudTrait;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 
 class DummyClass extends Model
 {
     use CrudTrait;
+    use HasFactory;
 
     /*
     |--------------------------------------------------------------------------