added variable for efi partition

config.sh.template

@@ -3,6 +3,7 @@ mnt="/mnt/root"  # mountpoint for the new root filesystem
 hostname="somehost.example.com"
 partition="single-mbr"       # set "efi" to skip partitioning and install grub-efi 
 disk="/dev/vda"              # find with: lsblk --list
+disk0=$disk"p1"              # efi partion, only relevant if partion="efi"
 disk1=$disk"1"               # "p1" for nbd or nvme mounts
 netDev="eth0"                # find with: ip link
 netAddress="203.0.113.66/24" # "" blank for dhcp on e*