Add plot_cache/: derived per-figure inputs for the 8 replot-only paper figures

add h4/regressor.pt

add h4/extrap_regression_targets.h5

add h4/regression_targets.h5

add lih_v2/regressor_eval.json

add lih_v2/regressor.pt

add lih_v2/regression_targets.h5

add lih/regressor_eval.json

add lih/regressor.pt

add lih/extrap_regression_targets.h5

add lih/regression_targets.h5

add h2o_v2/regressor_eval.json

add h2o_v2/regressor.pt

add h2o_v2/regression_targets.h5

add h2o/regressor_eval.json

add h2o/regressor.pt

add h2o/extrap_regression_targets.h5

add h2o/regression_targets.h5

add beh2/regressor_eval.json

add beh2/regressor.pt

add beh2/extrap_regression_targets.h5

add beh2/regression_targets.h5

add n2/regressor_eval.json

add n2/regressor.pt

add n2/extrap_regression_targets.h5

add n2/regression_targets.h5

initial commit