Add related content to EventQueue.md

Link to related tutorial.

Author: Amanda Butler

docs/api/rtos/EventQueue.md

@@ -56,3 +56,7 @@ To further save RAM, if you have no other work to do in your main function after
 To do this, set the `mbed_app.json` configuration option `events.shared-dispatch-from-application` to true, and add a dispatch call to main, as in this example. (The prints now show the same context for startup and `fall_handler`).
 
 [![View code](https://www.mbed.com/embed/?url=https://os.mbed.com/teams/mbed_example/code/Shared_Events_2/)](https://os.mbed.com/teams/mbed_example/code/Shared_Events_2/file/154179bdc39d/main.cpp)
+
+### Related content
+
+- [EventQueue tutorial](/docs/development/tutorials/the-eventqueue-api.html).