The backend of the "Pistachio Linux" app. As the name says, this is based on DistroLauncher.
Build a fresh rootfs using rootfs. Move rootfs to x64/install.tar.gz. Build AppxPackage in Visual Studio by right-clicking DistroLauncher-Appx -> Publish -> Create App Package. Follow the steps, or if you want to do it automatically, run build.bat.