v0.1.0-beta.2

fix

• data_config key aloha_v3 -> aloha_v4
• Added hf cli download data example command in challenge/guideline.md

v0.1.0-beta.1

A beta version for the IROS challenge, which mainly completes the training and testing functions of gr00t n1.5 on genmanip, and improves the challenge information.