First version!
Currently, this OS uses a legacy BIOS bootloader, so it's unlikely to run on actual hardware.
Later I'll make an effort to port this to UEFI.
To try it out, I recommend to use QEMU, and run the following command:
qemu-system-x86_64 -m 128 -drive file=sys.img,format=raw
Alternatively you can try any other virtual machine software such as VirtualBox (but I did not test it).