**Is your feature request related to a problem? Please describe.**
I am building an Application that requires frequent password input. It would be awesome, to have native Touch ID support on macOS.

**Describe the solution you'd like**
An easy solution to show the Touch ID authentication dialog on macOS.

**Describe alternatives you've considered**
Writing my own Node.js add-on, but I couldn't wrap my head around it

**Additional context**
Add any other context or screenshots about the feature request here.
<img width="1085" alt="touch bar bild 2019-02-02 um 09 58 04" src="https://user-images.githubusercontent.com/6825153/52162266-71285600-26d1-11e9-80a7-5f85cc50bf90.png">

atom/browser/api/atom_api_system_preferences.h
}
namespace atom {
namespace api {
#if defined(OS_MACOSX)
enum NotificationCenterKind {
  kNSDistributedNotificationCenter = 0,
  kNSNotificationCenter,
  kNSWorkspaceNotificationCenter,
};
#endif
class SystemPreferences : public mate::EventEmitter<SystemPreferences>
#if defined(OS_WIN)
    ,
                          public BrowserObserver,
                          public gfx::SysColorChangeListener
#endif
{
 public:
  static mate::Handle<SystemPreferences> Create(v8::Isolate* isolate);
  static void BuildPrototype(v8::Isolate* isolate,
                             v8::Local<v8::FunctionTemplate> prototype);
#if defined(OS_WIN) || defined(OS_MACOSX)
  std::string GetAccentColor();