add episode 16 of netstack.fm to 2025-12-03

Episode 16: WebRTC and Sans IO with Martin Algesten

Author: GlenDC

draft/2025-12-03-this-week-in-rust.md

@@ -47,6 +47,8 @@ and just ask the editors to select the category.
 
 ### Observations/Thoughts
 
+* [audio] [Netstack.FM episode 16 — WebRTC and Sans IO with Martin Algesten](https://netstack.fm/#episode-16)
+
 ### Rust Walkthroughs
 
 ### Research