Add CII best practices badge
Add CII best practices badge

Signed-off-by: Daniel P. Berrange <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

libvirt/libvirt,olafhering/libvirt,fabianfreyer/libvirt,olafhering/libvirt,nertpinx/libvirt,crobinso/libvirt,jardasgit/libvirt,crobinso/libvirt,crobinso/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,libvirt/libvirt,jfehlig/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,zippy2/libvirt,andreabolognani/libvirt,olafhering/libvirt,nertpinx/libvirt,eskultety/libvirt,eskultety/libvirt,eskultety/libvirt,andreabolognani/libvirt,zippy2/libvirt,jardasgit/libvirt,jardasgit/libvirt,olafhering/libvirt,zippy2/libvirt,jfehlig/libvirt,jfehlig/libvirt,zippy2/libvirt,libvirt/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,crobinso/libvirt,eskultety/libvirt,libvirt/libvirt,nertpinx/libvirt,eskultety/libvirt,andreabolognani/libvirt,jfehlig/libvirt,nertpinx/libvirt,andreabolognani/libvirt