Update 2025-12-03-this-week-in-rust.md

Author: yevh

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

@@ -45,6 +45,8 @@ and just ask the editors to select the category.
 
 ### Project/Tooling Updates
 
+* [3DCF/doc2dataset v0.1.0 – Rust document-to-dataset pipeline for RAG & LLM fine-tuning](https://github.com/3DCF-Labs/doc2dataset/releases/tag/v0.1.0)
+
 ### Observations/Thoughts
 
 ### Rust Walkthroughs