Update RegisterController

app/Http/Controllers/Auth/RegisterController.php

@@ -8,6 +8,8 @@ use App\Util\Lexer\RestrictedNames;
 use Illuminate\Foundation\Auth\RegistersUsers;
 use Illuminate\Support\Facades\Hash;
 use Illuminate\Support\Facades\Validator;
+use Illuminate\Auth\Events\Registered;
+use Illuminate\Http\Request;
 
 class RegisterController extends Controller
 {