feat: Add AgingScheduling 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 69.82%. Comparing base (acbce00) to head (20a3a03).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5813      +/-   ##
============================================
+ Coverage     69.78%   69.82%   +0.03%     
- Complexity     4725     4729       +4     
============================================
  Files           631      632       +1     
  Lines         17257    17274      +17     
  Branches       3322     3322              
============================================
+ Hits          12043    12061      +18     
  Misses         4757     4757              
+ Partials        457      456       -1     

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