feat: Add BandwidthAllocation 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

Attention: Patch coverage is 93.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 64.82%. Comparing base (9c76b30) to head (ceaa91e).

Files with missing lines	Patch %	Lines
...gorithms/greedyalgorithms/BandwidthAllocation.java	93.33%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5807      +/-   ##
============================================
+ Coverage     64.81%   64.82%   +0.01%     
- Complexity     4299     4301       +2     
============================================
  Files           599      600       +1     
  Lines         16764    16779      +15     
  Branches       3219     3222       +3     
============================================
+ Hits          10865    10877      +12     
  Misses         5455     5455              
- Partials        444      447       +3     

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