vuefilemanager/app/Http/Requests/SetupWizard/StoreAppSetupRequest.php

<?php
namespace App\Http\Requests\SetupWizard;

use Illuminate\Foundation\Http\FormRequest;

class StoreAppSetupRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'title' => 'required|string',
            'description' => 'required|string',
            'logo' => 'sometimes|file',
            'logo_horizontal' => 'sometimes|file',
            'favicon' => 'sometimes|file',
            'contactMail' => 'required|email',
            'googleAnalytics' => 'sometimes|string',
            'defaultStorage' => 'sometimes|digits_between:1,9',
            'userRegistration' => 'required|boolean',
            'storageLimitation' => 'required|boolean',
        ];
    }
}