Add stage 2 results

experiments/boston/stage2/normalize_D.json

experiments/boston/stage2/normalize_D_and_weights.json

experiments/breast_cancer/stage2/normalize_D.json

...riments/breast_cancer/stage2/normalize_D_and_weights.json

experiments/california_housing/stage2/normalize_D.json

...ts/california_housing/stage2/normalize_D_and_weights.json

experiments/diabetes/stage2/normalize_D.json

experiments/diabetes/stage2/normalize_D_and_weights.json

experiments/diamonds/stage2/normalize_D.json

experiments/diamonds/stage2/normalize_D_and_weights.json

experiments/kin8nm/stage2/normalize_D.json

experiments/kin8nm/stage2/normalize_D_and_weights.json

experiments/kr-vs-kp/stage2/normalize_D.json

experiments/kr-vs-kp/stage2/normalize_D_and_weights.json

experiments/spambase/stage2/normalize_D.json

experiments/spambase/stage2/normalize_D_and_weights.json

experiments/steel-plates/stage2/normalize_D.json

experiments/steel-plates/stage2/normalize_D_and_weights.json

results/boston/stage2/losses.png

results/breast_cancer/stage2/losses.png