Add train/eval split to README

README.md

@@ -42,6 +42,11 @@ robot_trajectories/
 per task (200 in total), numbered `0100`-`0119`, that are not part of the 100-episode
 `with_distraction` set.
 
+## Train and evaluation split
+
+For the human demos, episodes `0000`-`0079` are used for training and episodes `0080`-`0099`
+are used for evaluation.
+
 ## Human demonstrations
 
 RGB video is stored only in the mp4 files (1280x720, 30 fps, H.264). `depths.h5` holds the