Support for more storage solutions

[thijstakken]

Have integrations with more storage solutions like OneDrive, Google Drive, Dropbox, S3.

Some solutions out there may be used to get these functionalities:
Like Cyberduck, can be used from a command prompt, so could possibly be embedded.
https://docs.duck.sh/cli/#uri

Command examples:
https://docs.duck.sh/cli/#uploads-with-upload

Easywebdav instead of my own implementation:
https://github.com/amnong/easywebdav