Merge pull request #3770 from hseeberger/tower-episode-1

add walkthrough "Tower, Episode 1"

Author: U007D

draft/2022-11-02-this-week-in-rust.md

@@ -74,6 +74,7 @@ and just ask the editors to select the category.
 
 ### Rust Walkthroughs
 * [Implementing Rayon’s Parallel Iterators](https://geo-ant.github.io/blog/2022/implementing-parallel-iterators-rayon/)
+* [Tower, Episode 1: your Service as a Function](https://heikoseeberger.de/2022/10/21/2022-10-21-tower-1/)
 * [Rust microservices in server-side WebAssembly](https://blog.logrocket.com/rust-microservices-server-side-webassembly/)
 * [4 Simple Steps for Creating a Platform Agnostic Driver in Rust](https://apollolabsblog.hashnode.dev/4-simple-steps-for-creating-a-platform-agnostic-driver-in-rust)
 * [Work on gpu library](https://www.youtube.com/watch?v=P5lab7t1hVM)