feat: Add BCDConverter new algorithm with Junit tests

[Hardvan]

• 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 63.96%. Comparing base (4a03f42) to head (b749c38).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5747      +/-   ##
============================================
+ Coverage     63.91%   63.96%   +0.05%     
- Complexity     4167     4174       +7     
============================================
  Files           582      583       +1     
  Lines         16302    16321      +19     
  Branches       3148     3151       +3     
============================================
+ Hits          10419    10440      +21     
+ Misses         5457     5456       -1     
+ Partials        426      425       -1     

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[Tanmay-Singh3004]

If it is only for the conversion purpose, then I guess #5742 covered this .
You can check that out.

[Hardvan]

Right, I'll refactor that BCD algorithm then. Thanks!