v0.6.0 Major Refactoring

What's Changed

• Update paper citation entry by @vwxyzjn in #91
• Clean up stale files by @vwxyzjn in #95
• Refactor formats in parse_args by @vwxyzjn in #78
• Add Gitpod support by @vwxyzjn in #94
• Reorganize README.md by @vwxyzjn in #93
• Downgrade setuptools by @vwxyzjn in #98
• Fix readme links by @vwxyzjn in #104
• Refactor value based methods by @vwxyzjn in #102
• Introduce pre-commit pipelines by @vwxyzjn in #107
• Refactor PPG and PPO for procgen by @vwxyzjn in #108
• Update documentation on PPG and PPO Procgen by @vwxyzjn in #112
• Add PPO Atari LSTM example by @vwxyzjn in #83
• Prototype Envpool Support by @vwxyzjn in #100
• Fix replay buffer compatibility with mujoco envs by @vwxyzjn in #113
• Add the isort and black badges by @vwxyzjn in #119
• Refactor parse_args() by @vwxyzjn in #118
• Add ppo.py documentation by @vwxyzjn in #120
• Replace episode_reward with episodic_return by @vwxyzjn in #125
• Refactor ppo_pettingzoo.py by @vwxyzjn in #128
• Update gym to 0.23.0 by @vwxyzjn in #129
• Add SPS and q-values metrics for value-based methods by @vwxyzjn in #126
• Make seed work again in value methods by @vwxyzjn in #134
• Remove offline DQN scripts by @vwxyzjn in #135
• Deprecate apex_dqn_atari.py by @vwxyzjn in #136
• Update to gym==0.23.1 by @vwxyzjn in #138

Full Changelog: v0.5.0...v0.6.0