restructured logic tree; sectioning at top

subduction/interface/Aleutian Arc/mfd-map.json

...an Arc/segmented/1-section/geodetic/adak/rupture-set.json

...rc/segmented/1-section/geodetic/amchitka/rupture-set.json

...c/segmented/1-section/geodetic/andreanof/rupture-set.json

...an Arc/segmented/1-section/geodetic/attu/rupture-set.json

... Arc/segmented/1-section/geodetic/barren/rupture-set.json

...ian Arc/segmented/1-section/geodetic/fox/rupture-set.json

...n Arc/segmented/1-section/geodetic/kenai/rupture-set.json

... Arc/segmented/1-section/geodetic/kodiak/rupture-set.json

...segmented/1-section/geodetic/komandorski/rupture-set.json

...ian Arc/segmented/1-section/geodetic/pws/rupture-set.json

...n Arc/segmented/1-section/geodetic/sanak/rupture-set.json

... Arc/segmented/1-section/geodetic/semidi/rupture-set.json

...rc/segmented/1-section/geodetic/shumagin/rupture-set.json

...eutian Arc/segmented/1-section/geodetic/source-group.json

...rc/segmented/1-section/geodetic/yakataga/rupture-set.json

...segmented/1-section/geologic/narrow/adak/rupture-set.json

...ented/1-section/geologic/narrow/amchitka/rupture-set.json

...nted/1-section/geologic/narrow/andreanof/rupture-set.json

...segmented/1-section/geologic/narrow/attu/rupture-set.json