feature(rjy): add HAPPO algorithm

[nighood]

Description

Related Issue

TODO

Check List

• merge the latest version source branch/repo, and resolve all the conflicts
• pass style check
• pass all the tests

[codecov]

Codecov Report

Attention: 311 lines in your changes are missing coverage. Please review.

Comparison is base (4d53074) 77.11% compared to head (e7e9662) 76.78%.
Report is 5 commits behind head on main.

Files	Patch %	Lines
ding/policy/happo.py	10.86%	246 Missing ⚠️
ding/model/template/havac.py	76.25%	33 Missing ⚠️
ding/rl_utils/happo.py	77.47%	25 Missing ⚠️
ding/model/common/head.py	12.50%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #717      +/-   ##
==========================================
- Coverage   77.11%   76.78%   -0.34%     
==========================================
  Files         671      676       +5     
  Lines       53676    54424     +748     
==========================================
+ Hits        41394    41789     +395     
- Misses      12282    12635     +353     

Flag	Coverage Δ
unittests	76.78% <52.15%> (-0.34%)	⬇️

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