feat: add factory for models

app/Models/Uploadable.php

@@ -2,11 +2,13 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class Uploadable extends Model
 {
+    use HasFactory;
 
     protected $fillable = [
         'uploadable_id', 'uploadable_type', 'gallery_id', 'image_role', 'batch_id'