passo passo + screenshot di dove prendere le varie key
https://gist.github.com/mehranhadidi/38e38b80e3d533650ed2b94a0f95f7f1

esempio app completa
https://github.com/ivanvermeyen/laravel-google-drive-demo
https://awesomeopensource.com/project/ivanvermeyen/laravel-google-drive-demo


https://www.myphpnotes.com/post/integrate-google-drive-as-laravel-filesystem


//-- dropbox, ma solo perche' e' di spatie e documentato nella doc ufficiale
spatie/flysystem-dropbox
https://laravel.com/docs/8.x/filesystem#custom-filesystems

FlySystem adapter for Google Drive (work with path)
https://packagist.org/packages/private-it/flysystem-google-drive


https://github.com/nao-pon/flysystem-google-drive
https://stackoverflow.com/questions/49529585/laravel-filesystem-managing-folders-in-google-drive-api
https://medium.com/@dennissmink/laravel-backup-database-to-your-google-drive-f4728a2b74bd




https://flysystem.thephpleague.com/v1/docs/adapter/google-cloud-storage/