Host instructions with github wiki.

[akhilman]

http://theyamo.kapsi.fi/ccutter is down. Please put instructions into /docs or github wiki.

[Grrrolf]

Here you go:
https://web.archive.org/web/20190802174535/http://theyamo.kapsi.fi/ccutter/
and
https://web.archive.org/web/20190802174543/http://theyamo.kapsi.fi/ccutter/ref.html