**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
#ifndef ATOM_BROWSER_API_ATOM_API_SYSTEM_PREFERENCES_H_
#define ATOM_BROWSER_API_ATOM_API_SYSTEM_PREFERENCES_H_
#include <memory>
#include <string>
#include "atom/browser/api/event_emitter.h"
#include "atom/common/promise_util.h"
#include "base/callback.h"
#include "base/values.h"
#include "native_mate/handle.h"
#if defined(OS_WIN)
#include "atom/browser/browser.h"
#include "atom/browser/browser_observer.h"
#include "ui/gfx/sys_color_change_listener.h"
#endif
namespace base {
class DictionaryValue;