Hi!
This is a manifest to install the installer as a flatpak. It contains the following:
com.thedarkmod.TheDarkMod.yml - Flatpak manifest, easily readable.
com.thedarkmod.TheDarkMod.desktop - Desktop file. You can right click on it in an app launcher and choose "Installer" to open the installer program.
com.thedarkmod.TheDarkMod.png - Icon for .desktop file, can't use .ico for this.
launcher.sh - Simple script to initialize installation directory and choose betw