makefile: add rule: iso creation && run_iso

Makefile

@@ -31,6 +31,15 @@ $(NAME): $(OBJ)
 run: $(NAME)
 	qemu-system-i386 -kernel build/$(NAME).bin
 
+iso: $(NAME)
+	mkdir -p isodir/boot/grub
+	cp build/$(NAME).bin isodir/boot/bozOS.bin
+	cp config/grub.cfg isodir/boot/grub/grub.cfg
+	grub-mkrescue -o build/bozOS.iso isodir
+
+run_iso: iso
+	qemu-system-i386 -cdrom build/bozOS.iso
+
 clean:
 	make -C libbozo clean
 	rm -rf obj/
@@ -41,4 +50,4 @@ fclean: clean
 
 re: fclean all
 
-.PHONY: all clean fclean re run
+.PHONY: all clean fclean re run iso run_iso