Fix README strikethrough: avoid paired ~ tildes on one line

Sync archives README with dataset card

Restyle dataset card (MoGe-like table, download, references from paper)

Dataset card: declare test-only splits for three benchmark configs

Docs: all benchmarks via archives only (no extracted Matterport3D)

Remove extracted Matterport3D tree (use archives/Matterport3D.zip)

Improve dataset card layout and add per-folder README + prepare_data script

Stanford2D3D archive

Matterport3D archive

Metropolis archive

Dataset card

Add Metropolis, Matterport3D, Stanford2D3D test sets (DA360 paper benchmarks) (part 3)

Add Metropolis, Matterport3D, Stanford2D3D test sets (DA360 paper benchmarks) (part 2)

Add Metropolis, Matterport3D, Stanford2D3D test sets (DA360 paper benchmarks)

initial commit