Use root user by default

Install kali-root-login by default.

auto/config

@@ -29,4 +29,5 @@ lb config noauto \
 	--debian-installer live \
 	--linux-packages linux-image \
 	--linux-flavours kali \
+	--username root \
 	"$@"

config/binary_debian-installer/preseed.cfg

@@ -1,3 +1,6 @@
 # Install the kali kernel !
 d-i base-installer/kernel/image string linux-image-kali
 
+# Create root but skip creation of normal user account
+d-i passwd/root-login boolean true
+d-i passwd/make-user boolean false

config/chroot_local-packageslists/kali.list

@@ -5,6 +5,7 @@
 
 kali-archive-keyring
 kali-menu
+kali-root-login
 
 amap
 nmap