add permission, datatable and file services

laravel/app/Models/User.php

@@ -6,10 +6,11 @@ namespace App\Models;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
+use Spatie\Permission\Traits\HasRoles;
 
 class User extends Authenticatable
 {
-    use HasFactory, Notifiable;
+    use HasFactory, Notifiable, HasRoles;
 
     protected $guarded = [];