* Add "Scheme 9 from Empty Space"

* Edit "Scheme 9 from Empty Space"

* Edit URL
* Add year
* Add download links
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* remove source code links (moved to unglue.it)
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NEric Hellman <eric@hellman.net>