GitLab

update train_openfold to handle val_mmcif_cache;update datamodule to handle if validation mmcif cache is not provided

Fixes for memory usage in multimer dataloader, spatial cropping, and tensor type conversions within model.

Fix multimer boolean tensor error

Added multi-chain permutation steps, multimer datamodule, and training code for multimer

reverse the early stop check back to originl now but the 'enabled must be a bool (got Tensor)' error still persists

Added Multimer dataloader and training scripts