v0.1.0

Environment

1. SumToThree Env from pooltool (#227)

Algorithm

1. UniZero (#232)
2. ReZero (#238)

Enhancement

1. add logs and config documentations (#220)
2. polish atari_env_action_space_map, fix test_muzero_game_buffer
3. polish release.yml

Style

1. update discord link and add a new badge in readme (#221)

Full Changelog: v0.0.5...v0.1.0

Contributors: @ekiefl @TuTuHuss @HarryXuancy @PaParaZz1 @puyuan1996