It's a kernel that displays image and some text. In future it will be remade to final OS.
To build OS, you should install requirements. To install install needed packages (commands for Ubuntu 18.01):
sudo apt-get update && sudo apt install xorriso gcc-i686-linux-gnu nasm qemu-system-x86 mtools python3 python3-png
Clone this repository:
git clone https://github.com/NDRAEY/Charmeleon
And, to build OS, type following command:
cd Charmeleon && make