Added Auth0 definitions for JS API and widget

auth0.widget/auth0.widget-tests.ts

@@ -0,0 +1,18 @@
+/// <reference path="../auth0/auth0.d.ts" />
+/// <reference path="auth0.widget.d.ts" />
+
+var widget: Auth0WidgetStatic = new Auth0Widget({
+    domain: 'mine.auth0.com',
+    clientID: 'dsa7d77dsa7d7',
+    callbackURL: 'http://my-app.com/callback',
+    callbackOnLocationHash: true
+});
+
+widget.signin({
+    connections: ['facebook', 'google-oauth2', 'twitter', 'Username-Password-Authentication'],
+    icon: 'https://contoso.com/logo-32.png',
+    showIcon: true
+},
+    () => {
+        // The Auth0 Widget is now loaded.
+    });