Add new chapter

Luca Palmieri · Luca Palmieri · commit fe5eeb557b7c · 2020-09-29T11:54:51.000+01:00
diff --git a/draft/2020-09-30-this-week-in-rust.md b/draft/2020-09-30-this-week-in-rust.md
@@ -25,6 +25,7 @@ No newsletters this week.
 ### Learn Standard Rust
 
 ### Learn More Rust
+* [Are we observable yet? An introduction to Rust telemetry - Zero To Production #4](https://www.lpalmieri.com/posts/2020-09-27-zero-to-production-4-are-we-observable-yet/)
 
 ### Project Updates
 
