docs: add rclone OS requirements

Browse Source

Adds rclone OS requirements list and latest rclone versions known to be working with specific historical OS versions.

Discussed on the forum:
https://forum.rclone.org/t/rclone-1-65-1-runtime-exception-error-crash-immediately-after-running-the-command/44051

Fixes: #7571

...

This commit is contained in:

500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f