Update Swift pretraining checkpoint

Add task3 ABIDE NeuroSTORM checkpoints

Add task1 NeuroSTORM TPT ckpts: sex, age

Update task1 neurostorm ckpts

Add task1 cross-dataset ckpts (6 models x 4 datasets x 2 tasks = 48 new ckpts)

Add task1 sex classification best ckpts (6 baselines, atlas+LR sweep)

Add pt_neurostorm_mae_5ds: NeuroSTORM MAE pretrained on 5 datasets

Reorganize: flatten pretraining/, add neurostorm task1 ckpt

Add task1 (age regression) best checkpoints for 6 baselines on HCP-YA

Update pt_neurostorm_mae_ratio0.5 checkpoint (epoch 9, valid_loss 0.17)

upload checkpoint for age prediction

Update README.md

Update README.md

Upload checkpoints

initial commit