Merge remote-tracking branch 'origin/86-gym-env' into 86-gym-env

overcooked_simulator/counter_factory.py

overcooked_simulator/counters.py

overcooked_simulator/game_content/environment_config.yaml

overcooked_simulator/game_content/environment_config_rl.yaml

overcooked_simulator/hooks.py

overcooked_simulator/order.py

overcooked_simulator/overcooked_environment.py

overcooked_simulator/recording.py

overcooked_simulator/scores.py