tidy up + start input fcst meta

configs/db_new.yaml

configs/icon_exp_ensemble.yaml

configs/icon_exp_single.yaml

notebooks/data/dk.json

src/ensemble_rl_example.py

src/main.py

src/main_cli.py

src/main_hyper.py

src/models/ensemble_models.py

src/models/lightning_module.py

src/old/example_sarah.py

src/old/exp_icaart.py

src/old/icaart_ensemble_hyper.py

src/old/icaart_random_base.py

src/old/icaart_sizes.py

src/predict_database.py

src/scripts/bsh_extractor_v2.py

src/scripts/icon_export_v3.py

src/scripts/predict.py

src/scripts/rl_ensemble.py