Add game recording

[munichpavel]

E.g. by dumping jpegs of each game state and making a movie using something like https://imagemagick.org/index.php or https://www.ffmpeg.org/

[munichpavel]

will change Player attribute print_game_state from boolean to taking values in {None, to_screen, to_file} or something similar. This will also require migrating experiment configs.

[munichpavel]

Integrate with mlflow tracking api a la https://towardsdatascience.com/5-tips-for-mlflow-experiment-tracking-c70ae117b03f

This helps avoid adding a folder as argument to any game recording method, as all experiment data would be logged in the same place with MLflow.