Biometric support (#470)

* Initial work on windows hello support

* Hide login button if not enabled

* Add windows.security.credentials.ui dependency to desktop as well.

* Only enable biometric on windows.

* Add support for dynamic biometric text.

* Add untested darwin implementation

* Ensure we support biometric before showing login with windows hello / touchid.

* Ensure compatability with latest jslib

* Only require module on use.

* Add windows.security.credentials.ui to src/package.json.

* Update requirements

* Update consent messages for biometrics

src/app/app.component.ts

@@ -231,6 +231,7 @@ export class AppComponent implements OnInit {
             this.policyService.clear(userId),
         ]);
 
+        this.vaultTimeoutService.biometricLocked = true;
         this.searchService.clearIndex();
         this.authService.logOut(async () => {
             this.analytics.eventTrack.next({ action: 'Logged Out' });