Update README.md

Restore release links and disable dataset viewer

Restore naturally ordered Sleep Assessment case paths

Restore naturally ordered Foundational Analysis case paths

Update BrainBench card with overview image and citation

Remove legacy Sleep Assessment case paths after numeric ordering

Remove legacy Foundational Analysis case paths after numeric ordering

Normalize Sleep Assessment case ordering

Normalize Foundational Analysis case ordering

Add BrainBench overview image

Update README.md

Release Sleep Assessment cases

Release Foundational Analysis cases

Add BrainBench dataset card

initial commit