news: Document nested-hv feature
news: Document nested-hv feature

Signed-off-by: Andrea Bolognani <3ada0bee826c753786fdbba72243dfba997094cf@redhat.com>

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