polish(gry): polish dqn config

[ruoyuGao]

Description

find all the possible dqn parameters and add them into dqn default config and comment.

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

Merging #611 (4825b49) into main (275141b) will decrease coverage by 0.05%.
The diff coverage is n/a.

❗ Current head 4825b49 differs from pull request most recent head f9a3f09. Consider uploading reports for the commit f9a3f09 to get more accurate results

@@            Coverage Diff             @@
##             main     #611      +/-   ##
==========================================
- Coverage   83.34%   83.30%   -0.05%     
==========================================
  Files         569      569              
  Lines       46819    46819              
==========================================
- Hits        39022    39003      -19     
- Misses       7797     7816      +19     

Flag	Coverage Δ
unittests	83.30% <ø> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
ding/model/template/q_learning.py	85.82% <ø> (ø)
ding/policy/dqn.py	87.34% <ø> (ø)

... and 2 files with indirect coverage changes

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