Added docs to check for key generation on Mega
Added docs to check for key generation on Mega

Signed-off-by: Anagh Kumar Baranwal <6052722ed233e579725c1eb6d8dfdf545ac03257@gmail.com>

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