Add Nazmul Idris's article about async to Step 3.11

3_ecosystem/3_11_async/README.md

@@ -158,6 +158,13 @@ For better understanding [actors][49] design, concepts, usage, and implementatio
 
 
 
+## More reading
+
+- [Nazmul Idris: Build with Naz: Rust async, non-blocking, concurrent, parallel, event loops, graceful shutdown][73]
+
+
+
+
 ## Task
 
 Implement an async-driven [CLI] tool, which downloads specified web pages:
@@ -305,3 +312,4 @@ After completing everything above, you should be able to answer (and understand
 [70]: https://without.boats/blog/let-futures-be-futures
 [71]: https://without.boats/blog/futures-unordered
 [72]: https://cybernetist.com/2024/04/19/rust-tokio-task-cancellation-patterns
+[73]: https://developerlife.com/2024/05/19/effective-async-rust