Link baseline implementations in Readme.

README.md

@@ -120,7 +120,9 @@ for computing these are included in the `analysis` directory of the repository.
 Baseline scores of various agents are available for Crafter, both with and
 without rewards. The scores are available in JSON format in the `scores`
 directory of the repository. For comparison, the score of human expert players
-is 50.5\%.
+is 50.5\%. The [baseline
+implementations](https://github.com/danijar/crafter-baselines) are available as
+a separate repository.
 
 <img src="https://github.com/danijar/crafter/raw/main/media/scores.png" width="400"/>