Add proposed announcements on Observation/Thoughts and Rust Walkthroughs (#3539)

* add proposed announcements on Observation/Thoughts and Rust Walktrhoughs

* add [series] tag on proposed announcement on Rust Walkthroughs

* Update draft/2022-08-10-this-week-in-rust.md

Co-authored-by: andrewpollack <[email protected]>

* restore lines due to merge conflict

* restore lines due to merge conflict

Co-authored-by: andrewpollack <[email protected]>

Author: Rodrigo Santiago

draft/2022-08-10-this-week-in-rust.md

@@ -59,6 +59,7 @@ and just ask the editors to select the category.
 * [Blocking Sockets and Async](https://www.thecodedmessage.com/posts/blocking-sockets/)
 * [How does Rust async work?](https://aidancully.blogspot.com/2022/08/how-does-rust-async-work.html)
 
+[Basic Operator Overloading with Traits](https://rsdlt.onrender.com/posts/welcome-blog-rust-technology-development-programming-language/)
 ### Rust Walkthroughs
 * [Understanding Rust generics and how to use them](https://blog.logrocket.com/understanding-rust-generics-how-use/)
 * [Hot Reloading Rust — for Fun and Faster Feedback Cycles](https://robert.kra.hn/posts/hot-reloading-rust/)