Add HighestResponseRatioNextScheduling.java new algorithm with 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 54.88%. Comparing base (ee6cd64) to head (863859e).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5607      +/-   ##
============================================
+ Coverage     54.73%   54.88%   +0.14%     
- Complexity     3453     3468      +15     
============================================
  Files           538      539       +1     
  Lines         15583    15628      +45     
  Branches       2961     2969       +8     
============================================
+ Hits           8530     8577      +47     
+ Misses         6695     6694       -1     
+ Partials        358      357       -1     

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[Hardvan]

The suggested changes have been implemented.