Use systemd-boot as ISO bootloader

Signed-off-by: Peter Jung <admin@ptr1337.dev>

archiso/profiledef.sh

@@ -8,8 +8,9 @@ iso_application="CachyOS Live/Rescue CD"
 iso_version="$(date +%Y.%m.%d)"
 install_dir="arch"
 buildmodes=('iso')
-bootmodes=('bios.syslinux.mbr' 'bios.syslinux.eltorito'
-           'uefi-x64.grub.esp' 'uefi-x64.grub.eltorito')
+#bootmodes=('bios.syslinux.mbr' 'bios.syslinux.eltorito'
+#           'uefi-x64.grub.esp' 'uefi-x64.grub.eltorito')
+bootmodes=('bios.syslinux.mbr' 'bios.syslinux.eltorito' 'uefi-x64.systemd-boot.esp' 'uefi-x64.systemd-boot.eltorito')
 arch="x86_64"
 pacman_conf="pacman.conf"
 airootfs_image_type="squashfs"