Merge branch 'hf_hub'

remove --push-to-hub in run_main_experiments.sh

🤗 add models section in README

add --push-to-hub to run_main_experiments.sh

add --push-to-hub

:bug: Save best model by validation loss

improve model save name

Merge remote-tracking branch 'refs/remotes/origin/hf_hub' into hf_hub

change model save name

:bug: Remove outdated training CLI args and turn secret.py import error into warning

fix syntax in run_main_experiments.sh

add executable permission to shell scripts

fix requirements and python version

:sparkles: Improve reproducability scripts and add missing data

:tada: Add code to save models to disk