Pick a licence for the specs

[josephpoon]

CC-BY?
GNU FDL?
WTFPL?

[Roasbeef]

My vote is for the WTFPL 🙌🏾.

[cdecker]

I quite like CC-BY but I have no idea of the implications :-)

[rustyrussell]

Joseph Poon notifications@github.com writes:

CC-BY?
GNU FDL?
WTFPL?

CC-BY would be my default guess, but I'll ask People Who Know This Stuff
and see if there's some reason to prefer something else here.

Cheers,
Rusty.