Add sixtyfps 2021 summary to project news

hunger · hunger · commit cd3d57bf201c · 2021-12-27T11:29:06.000+01:00
diff --git a/draft/2021-12-29-this-week-in-rust.md b/draft/2021-12-29-this-week-in-rust.md
@@ -20,6 +20,8 @@ If you find any errors in this week's issue, [please submit a PR](https://github
 
 ### Project/Tooling Updates
 
+* [SixtyFPS (GUI crate): 2021 in Review](https://sixtyfps.io/blog/2021-in-review.html): A short summary of what happened in 2021 and an even shorter outlook to 2022.
+
 ### Observations/Thoughts
 
 ### Rust Walkthroughs
