[Feature Request] - Allow S3 compatible storage

[mmack]

Description

Currently only AWS S3 is supported. I would like to use it with - for example - minio. I think we need to be able to change the endpoint.

See: https://docs.min.io/docs/aws-cli-with-minio.html

[veeso]

Road map

• [x] Opened PR on remotefs-rs-aws-s3 https://github.com/veeso/remotefs-rs-aws-s3/pull/1
• [x] Released remotefs-aws-s3 0.2.0
• [x] Implemented new connection parameters to allow custom endpoints on termscp 0.8.1