You can install the package via composer:
composer require serdud/backpack-files
Publish all assets with:
php artisan vendor:publish --provider="Serdud\BackpackFiles\BackpackFilesServiceProvider"
and then run
php artisan migrate
Put into the sidebar_content.blade.php
<li class="nav-item"><a class="nav-link" href="{{ backpack_url(config('backpack.files.route')) }}"><i class="nav-icon la la-photo-video"></i> Files</a></li>
The MIT License (MIT). Please see License File for more information.