docs: Add tutorial links for Active object pattern (iluwatar#525) (iluwatar#1881)

blueberry404 · web-flow · commit e3c3b02efdbd · 2021-10-24T09:06:15.000+03:00
diff --git a/active-object/README.md b/active-object/README.md
@@ -124,3 +124,7 @@ Now, we can create multiple creatures such as Orcs, tell them to eat and roam, a
 ## Class diagram
 
 ![alt text](./etc/active-object.urm.png "Active Object class diagram")
+
+## Tutorials
+
+* [Android and Java Concurrency: The Active Object Pattern](https://www.youtube.com/watch?v=Cd8t2u5Qmvc)
