rename escaped folder name

update gitignore

update unsaved checkpoint

refactor gridworld env; finished mc-eval, td-eval, and td-control

remove unused import

add terminate check

move transition and reward to game

split gridworld into game and env module

rewrite eval steps using torch.gather

fix typo during migration

fix typo during migration

migrate all sci comp from numpy array to torch tensor

add experiment notebook

reuse repo for cs885 course

patch for #10: multiple updates