Updated options.md with state management examples (#2713)

* Updated options.md with state management examples

* Updated name

Author: Paul Halliday

src/docs/development/data-and-backend/state-mgmt/options.md

@@ -83,3 +83,8 @@ by the Flutter community:
 
 * [MobX.dart, Hassle free state-management for your Dart and Flutter apps](https://github.com/mobxjs/mobx.dart)
 * [Getting started with MobX.dart](https://mobx.pub/getting-started)
+* [Flutter: State Management with Mobx](https://developer.school/posts/flutter-state-management-with-mobx/) by Paul Halliday
+
+## Provider
+
+* [Getting Started with Provider](https://developer.school/posts/flutter-provider-and-bloc-in-5-minutes/) by Paul Halliday