Fix #76 where all placeholder app modules are treated as externals
Fix #76 where all placeholder app modules are treated as externals

jiahaog/Nativefier,skewedlines/Nativefier,jiahaog/Nativefier,pixel9/nativefier,skewedlines/Nativefier,zucher/nativefier,skewedlines/Nativefier,faceair/nativefier-slack,pixel9/nativefier,gfpacheco/Nativefier,zucher/nativefier,faceair/nativefier-slack,pixel9/nativefier,gfpacheco/Nativefier,gfpacheco/Nativefier,jiahaog/Nativefier,zucher/nativefier