Merge branch 'backend' of https://github.com/nakazawakan/kikikanri into p_account

backend/app/Http/Controllers/Api/FatherRelationsController.php

@@ -3,6 +3,7 @@
 namespace App\Http\Controllers\Api;
 
 use App\Http\Controllers\Controller;
+use Illuminate\Support\Facades\Validator;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Log;