Flysystem V1: Permanent delete, auto access token refresh, Psr7^2.0.0 support
Changelog (improvements & fixes by @erikn69):
- added convenience functions: emptyTrash, uncacheFolder, getService
- added usePermanentDelete optional parameter: it controls whether adapter deletes files permanently or puts them in the trash bin (autodeleted after 30 days)
- added automatic access token refreshing (useful for long running tasks)
- added compatibility with Psr7^2.0.0
Thanks Erik!