Replace OSX with macOS in README (#331)
Replace OSX with macOS in README (#331)


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