Update README to include GPT-5.1 Codex Mini

Added mention of GPT-5.1 Codex Mini in the update.

Author: ferreirafabio

README.md

@@ -2,7 +2,7 @@
 
 # Conditional Density Estimation (CDE)
 
-**Update:** Conditional Density Estimation now runs with PyTorch. The legacy TensorFlow implementation lives in the `tensorflow` branch. All core estimators, runners, and examples are tested with the latest PyTorch release.
+**Update:** Conditional Density Estimation now runs with PyTorch (with the help of cursor + GPT-5.1 Codex Mini). The legacy TensorFlow implementation lives in the `tensorflow` branch. All core estimators, runners, and examples are tested with the latest PyTorch release.
 
 ## Description
 Implementations of various methods for conditional density estimation