Add Malai announcement to 2025-05-07-this-week-in-rust.md (#6608)

Co-authored-by: Ben Dillon <[email protected]>

Author: siddhantk232

draft/2025-05-07-this-week-in-rust.md

@@ -40,6 +40,7 @@ and just ask the editors to select the category.
 
 ### Project/Tooling Updates
 
+* [Announcing Malai - Share your dev server (and more) over P2P](https://malai.sh/announcing-malai/)
 * [Streaming data analytics, Fluvio 0.17.2 release](https://www.fluvio.io/news/this-week-in-fluvio-0074)
 
 ### Observations/Thoughts