Improve the docs and sync with dev

[XuhuiZhou]

Closes #

📑 Description

✅ Checks

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed
• Branch name follows type/descript (e.g. feature/add-llm-agents)
• Ready for code review

ℹ Additional Information

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.99%. Comparing base (2c2bcab) to head (6e29440).

@@            Coverage Diff             @@
##             main     #166      +/-   ##
==========================================
- Coverage   61.00%   60.99%   -0.01%     
==========================================
  Files          55       55              
  Lines        2800     2797       -3     
==========================================
- Hits         1708     1706       -2     
+ Misses       1092     1091       -1     

Files	Coverage Δ
sotopia/generation_utils/generate.py	49.42% <ø> (-0.20%)	⬇️