readme: |fold|accuracy|
  |-|-|
  | fold 0 |  0.974197247706422 |
  | fold 1 |  0.9627293577981652 |
  | fold 2 |  0.9724770642201835 |
  | fold 3 |  0.9696100917431193 |
  | fold 4 |  0.9684633027522935 |
  | OOF Acc |  0.9694954128440367 |