private static void initializeMaps() {
		for (ResourceFile file : Application.findFilesByExtensionInApplication(".txt")) {
			if (MAP_FILENAME.equals(file.getName())) {
				initializeMap(file);
			}
		}
	}
Process all language maps defined by any module.  Any alternate external disassembler
executable will be looked for within the os directory of the contributing module or 
within the gdis module
@throws Exception
Ghidra/Extensions/SleighDevTools/src/main/java/ghidra/app/util/disassemble/GNUExternalDisassembler.java