protected function createRoles()
 {
     $roles = [['id' => 1, 'title' => 'Super Admin', 'slug' => 'super_admin'], ['id' => 2, 'title' => 'Admin', 'slug' => 'admin'], ['id' => 3, 'title' => 'User', 'slug' => 'user']];
     $role_arr = [];
     foreach ($roles as $role) {
         $role_arr[] = \App\DB\Role::create($role);
     }
     return $role_arr;
 }