warning: WIP, spaghetti code, etc.
This template is for a sysmodule where the output .nsp is used by Atmosphère at: sdmc:/atmosphere/contents/<titleid>/exefs.nsp. To load the sysmodule at boot, the following file should exist: sdmc:/atmosphere/contents/<titleid>/flags/boot2.flag.
Where titleid is whatever you specify. Update the $(TARGET).json file with the titleid and any other changes.