fix(os): For BIOS/syslinux hook add rsync dependency (#5)

README.md

@@ -452,7 +452,13 @@ zpool import zpool -d /dev/disk/by-partuuid -R /mnt -f -N
 zfs load-key -L prompt zpool
 zfs mount zpool/root/archlinux
 zfs mount -a
+
+# UEFI system ...
 mount /dev/sda1 /mnt/efi
+
+# ... or legacy BIOS system
+mount /dev/sda1 /mnt/boot/syslinux
+
 arch-chroot /mnt /bin/bash
 ```
 

setup.sh

@@ -762,6 +762,7 @@ function install_os_in_chroot () {
     generate-zbm
 
     if [[ "${part_schema}" = 'mbr' ]]; then
+        paru_install 'rsync'
         add_syslinux_pacman_hook
     else
         :