adrema/app/Form/FormSettings.php

<?php

namespace App\Form;

use App\Setting\Contracts\Storeable;
use App\Setting\LocalSettings;

class FormSettings extends LocalSettings implements Storeable
{
    public string $registerUrl;
    public string $clearCacheUrl;

    public static function group(): string
    {
        return 'form';
    }

    public static function title(): string
    {
        return 'Formulare';
    }

    /**
     * @inheritdoc
     */
    public function rules(): array
    {
        return [
            'registerUrl' => 'present|string',
            'clearCacheUrl' => 'present|string',
        ];
    }
}