docs: README updates in subfolders

feat: sync integration updates across app and ML pipeline

evaluation: channel ablation script + feature importance LOPO

refactor: single checkpoints/ dir, fix uvicorn cmd and hybrid config path

chore: MLP pipeline, evaluation updates, feature importance, confusion matrices

chore: integration cleanup — remove eye CNN, add threshold justification, fix pipeline

Put all the models together (expect UI)

reorg folders, add MLP demo

set up template with folder structure and training script