docs: Fix a couple of minor typos in `rclone_mount.md`
docs: Fix a couple of minor typos in `rclone_mount.md`

* "transferring" instead of "transfering"
* "connection" instead of "connnection"
* "mount" instead of "mount mount"

B4dM4n/rclone,olihey/rclone,ncw/rclone,B4dM4n/rclone,ncw/rclone,ncw/rclone,B4dM4n/rclone,olihey/rclone,B4dM4n/rclone,ncw/rclone,olihey/rclone,olihey/rclone