Move laravel models to Models folder

1. Move the files to the Models folder

2. Change the namespace of the models

Change :

namespace App;

to

namespace App\Models;

3. Change the other files

Search for app\User and change

    app/Http/Controllers/Auth/RegisterController.php
    config/auth.php
    config/services.php
    database/factories/ModelFactory.php
    database/factories/UserFactory.php
    All Controllers

And change App/ModelTest to App/Models/ModelTest

4. Run composer dump-autoload