Add Miyawaki anatomical background for encoding tutorial WASM path (#3673)

Add ISC tutorial data (development_fmri: 12 subjects func, verbatim)

Add encoding tutorial data (Miyawaki2008: 8 runs int16 + labels + mask)

Add Chang-2015 IAPS emotion-rating dataset (679 imgs + metadata) for fetch_emotion_ratings HF migration (part 3)

Add Chang-2015 IAPS emotion-rating dataset (679 imgs + metadata) for fetch_emotion_ratings HF migration (part 2)

Add Chang-2015 IAPS emotion-rating dataset (679 imgs + metadata) for fetch_emotion_ratings HF migration

Add Chang-2015 pain dataset (84 imgs + curated metadata) for fetch_pain HF migration

Add trimmed GLM + MVPA tutorial datasets for JupyterLite

Add atlas data + labels from atlasreader (BSD-3) for cluster reporting

Remove duplicate parcellations/ uploads (relocated to masks/)

Relocate atlas niftis to masks/ to match legacy convention

Add Neuroparc/Neurovault atlases for dartbrains tutorials

Remove .DS_Store

Initial upload: MNI templates + parcellation masks

initial commit