added Windows implementation to list of packages mentioned in the repo readme (#2498)

Author: MaikuB

README.md

@@ -4,7 +4,8 @@ This repository consists hosts the following packages
 
 - [`flutter_local_notifications`](https://github.com/MaikuB/flutter_local_notifications/tree/master/flutter_local_notifications): code for the cross-platform facing plugin used to display local notifications within Flutter applications
 - [`flutter_local_notifications_platform_interface`](https://github.com/MaikuB/flutter_local_notifications/tree/master/flutter_local_notifications_platform_interface): the code for the common platform interface
-- [`flutter_local_notifications_linux`](https://github.com/MaikuB/flutter_local_notifications/tree/master/flutter_local_notifications_linux): the Linux implementation of [`flutter_local_notifications`](https://pub.dev/packages/flutter_local_notifications).
+- [`flutter_local_notifications_linux`](https://github.com/MaikuB/flutter_local_notifications/tree/master/flutter_local_notifications_linux): the Linux implementation of [`flutter_local_notifications`](https://pub.dev/packages/flutter_local_notifications)
+- [`flutter_local_notifications_windows`](https://github.com/MaikuB/flutter_local_notifications/tree/master/flutter_local_notifications_windows): the Linux implementation of [`flutter_local_notifications`](https://pub.dev/packages/flutter_local_notifications).
 
 These can be found in the corresponding directories within the same name. Most developers are likely here as they are looking to use the `flutter_local_notifications` plugin. There is a readme file within each directory with more information.