Add comment and update changelog for #1664

[jslee02]

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Before creating a pull request

• Document new methods and classes
• Format new code files using ClangFormat by running make format
• Build with -DDART_TREAT_WARNINGS_AS_ERRORS=ON and resolve all the compile warnings

Before merging a pull request

• Set version target by selecting a milestone on the right side
• Summarize this change in CHANGELOG.md
• Add unit test(s) for this change
• Add Python bindings for new methods and classes

[codecov]

Codecov Report

Merging #1668 (928f3dc) into main (22bbcde) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1668      +/-   ##
==========================================
- Coverage   59.10%   59.08%   -0.02%     
==========================================
  Files         499      499              
  Lines       40950    40948       -2     
==========================================
- Hits        24202    24195       -7     
- Misses      16748    16753       +5     

Impacted Files	Coverage Δ
dart/collision/bullet/BulletCollisionDetector.cpp	64.28% <0.00%> (+0.31%)	⬆️
dart/collision/detail/UnorderedPairs.hpp	90.00% <0.00%> (-5.00%)	⬇️
dart/dynamics/EulerJoint.cpp	70.17% <0.00%> (-2.93%)	⬇️