Add part 2 of series on understanding async/await

The focus is on understanding how a pending future gets woken in an
async runtime.

Author: hds

draft/2023-07-05-this-week-in-rust.md

@@ -38,6 +38,7 @@ and just ask the editors to select the category.
 ### Observations/Thoughts
 
 ### Rust Walkthroughs
+* [How I finally understood async/await in Rust (part 2: how does a pending future get woken?)](https://hegdenu.net/posts/understanding-async-await-2/)
 
 ### Research