docs: virtfs: add section separators
docs: virtfs: add section separators

Signed-off-by: Christian Schoenebeck <62a2b25218e3910e049f366551988aeb871d2438@crudebyte.com>
Reviewed-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>
Signed-off-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

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