paw: boot: Add boot wallpaper

Signed-off-by: Chloe M. <chloe@mensia.org>

paw/boot/host/iso.sh

@@ -8,6 +8,7 @@ set -e
 
 ISO=$ST_PROJECT_ROOT/artifacts/sp3.iso
 CONFIG=$ST_PROJECT_ROOT/paw/base/boot/limine.conf
+WALLPAPER=$ST_PROJECT_ROOT/paw/base/boot/wallpaper.jpg
 KERNEL=$ST_PROJECT_ROOT/artifacts/stoskrnl.sys
 
 mkdir -p iso_root/boot/
@@ -15,6 +16,9 @@ mkdir -p iso_root/boot/
 # Copy the kernel to the ISO root
 cp $KERNEL iso_root/boot
 
+# Copy the wallpaper to the ISO root
+cp $WALLPAPER iso_root/boot
+
 # Copy boot files
 cp $CONFIG stand/limine/limine-bios.sys \
     stand/limine/limine-bios-cd.bin \