trivial: move compilation instructions to github wiki
trivial: move compilation instructions to github wiki

New problems will be introduced with software outside of fwupd.
It's better to document compilation difficulties to be expected
in the wiki.

fwupd/fwupd,vathpela/fwupd,fwupd/fwupd,vathpela/fwupd,fwupd/fwupd,superm1/fwupd,superm1/fwupd,vathpela/fwupd,superm1/fwupd,fwupd/fwupd,vathpela/fwupd,hughsie/fwupd,hughsie/fwupd,hughsie/fwupd,hughsie/fwupd