fix: Break in Windows JS following #574 (#605)

* Fix Break in Windows

* Fix Format

* Fix Format

* Add Type Info

Author: chiaramooney

src/picker.windows.js

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @flow strict-local
+ */
+import {requireNativeComponent} from 'react-native';
+
+export default (requireNativeComponent(
+  'RNDateTimePickerWindows',
+  // $FlowFixMe Flow: Unclear type. Using `any`, `Object`, or `Function` types is not safe!
+): any);