Merge branch 'dir-restructure-5' into 'main'

volcanic/grid/non-summit/shallow/south/r85/rate-tree.json

volcanic/grid/non-summit/shallow/south/r85/rupture-sets.json

volcanic/grid/non-summit/shallow/south/source-tree.json

volcanic/grid/non-summit/shallow/south/tree-info.json

volcanic/grid/summit/deep/gmm-config.json

volcanic/grid/summit/deep/gmm-tree.json

volcanic/grid/summit/deep/grid-config.json

volcanic/grid/summit/deep/nn/rate-tree.json

volcanic/grid/summit/deep/nn/rupture-sets.json

volcanic/grid/summit/deep/r85/rate-tree.json

volcanic/grid/summit/deep/r85/rupture-sets.json

volcanic/grid/summit/deep/source-tree.json

volcanic/grid/summit/deep/tree-info.json

volcanic/grid/summit/shallow/gmm-config.json

volcanic/grid/summit/shallow/gmm-tree.json

volcanic/grid/summit/shallow/nn/rate-tree.json

volcanic/grid/summit/shallow/nn/rupture-sets.json

volcanic/grid/summit/shallow/r85/rate-tree.json

volcanic/grid/summit/shallow/r85/rupture-sets.json

volcanic/grid/summit/shallow/source-tree.json