LowestSetBit implementation and tests added

[prayas7102]

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.55%. Comparing base (f34fe4d) to head (42edc75).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5567      +/-   ##
============================================
- Coverage     54.56%   54.55%   -0.01%     
- Complexity     3413     3415       +2     
============================================
  Files           535      536       +1     
  Lines         15383    15385       +2     
  Branches       2935     2935              
============================================
  Hits           8393     8393              
- Misses         6637     6638       +1     
- Partials        353      354       +1     

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[siriak]

Please fix build and Clang PR checks

[prayas7102]

Please fix build and Clang PR checks

Build and Clang checks have successfully passed.

[siriak]

Looks good, thanks!