v0.2.1

QoL, Better documentation, Bug Fixes 🚀

• Add RandomPolicy class
• Control max_steps for debugging purposes during decoding
• Better documentation, add tutorials, and references #88 @bokveizen
• Set bound to < Python 3.11 for the time being #90 @hyeok9855
• Log more info by default in PPO
• precompute_cache method can now accept td as well
• If Trainer is supplied with gradient_clip_val and manual_optimization=False, then remove gradient clipping (e.g. for PPO)
• Fix test data size following training and not test by default