Add Elementary OS 6

roles/netbootxyz/templates/menu/live-elementary.ipxe.j2

@@ -7,6 +7,7 @@ set os elementary OS
 menu ${os} - Current Arch [ ${arch} ]
 iseq ${arch} x86_64 && set arch_a amd64 || set arch_a ${arch}
 item --gap ${os} Versions
+item elementaryos-6-default-squash ${space} ${os} 6
 item elementaryos-5-default-squash ${space} ${os} 5
 choose live_version || goto live_exit
 goto ${live_version}