Merge PR #3299

Author: ericseppanen

draft/2022-06-01-this-week-in-rust.md

@@ -41,6 +41,7 @@ and just ask the editors to select the category.
 
 * [Simple rust interview questions](https://flakm.github.io/posts/rust_interview_questions/)
 * [Profiling heap allocation in rust](https://flakm.github.io/posts/heap_allocation/)
+* [Arc and Mutex in Rust](https://itsallaboutthebit.com/arc-mutex)
 
 ### Research