Add the src/externals directory
Add the src/externals directory

make sure the clean target cleans it as well

the externals dir is required to handle the renaming of the alpha files
and then incorporate them into the instance building

FND/tiddlyspace,FND/tiddlyspace,TiddlySpace/tiddlyspace,TiddlySpace/tiddlyspace,FND/tiddlyspace,TiddlySpace/tiddlyspace