Add Oleg Kovalov to contributors
Add Oleg Kovalov to contributors

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