DI-engine

- serial_pipeline.svg: off-policy DRL(DQN/TD3/SAC)


- serial_pipeline_on_policy.svg: on-policy DRL(PPO)

- serial_pipeline_reward_model.svg: DRL + RewardModel (GAIL, HER, RND)


- serial_pipeline_r2d3.svg: DRL + Expert Data/Policy (R2D3, SQIL)


- parallel_pipeline.svg: Large Scale DRL(IMPALA, AlphaStar)