docs: document 1km building-vulnerability product in dataset card

add 1km building-vulnerability product (median footprint, small-building fraction) + maps

add 1km building-vulnerability product (median footprint, small-building fraction) + maps

docs: add Reproduce section (load from HF + regenerate raw from Overture)

fix plot cropping: full GHACOF extent now shown (constrained_layout, drop bbox_inches=tight)

fix plots: land backdrop shows full extent (Sudan etc.); fix 4-panel facilities layout clipping

add cartopy exposure plots (buildings, roads, POIs, exposure, facilities, richness) on GHACOF boundary

dataset card: document pl_<class> place columns + building fields

add 23 per-cell place-class counts (pl_<class>); refresh outputs + per-tile CSVs

add 23 per-cell place-class counts (pl_<class>); refresh outputs + per-tile CSVs

exposure dataset: outputs + per-tile grid CSVs

exposure dataset: outputs + per-tile grid CSVs

exposure dataset: outputs + per-tile grid CSVs

exposure dataset: outputs + per-tile grid CSVs

exposure dataset: outputs + per-tile grid CSVs

exposure dataset: outputs + per-tile grid CSVs

initial commit