r20240405: First nnunet model release

This release contains the new nnunet model trained on the default BF dataset. It includes

• best checkpoints from the 5 cross-validation folds.
• lighter model trained with the nnunet fold_all option. This one is 5x faster and takes 5x less disk space.

r20211210

Update model

r20211209

Initial OM model