feat: Add midpoint circle algorithm

[saahil-mahato]

• 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 70.52%. Comparing base (9218212) to head (660a9c2).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5868      +/-   ##
============================================
+ Coverage     70.45%   70.52%   +0.06%     
- Complexity     4809     4815       +6     
============================================
  Files           642      643       +1     
  Lines         17414    17439      +25     
  Branches       3352     3355       +3     
============================================
+ Hits          12269    12298      +29     
+ Misses         4682     4680       -2     
+ Partials        463      461       -2     

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[siriak]

Looks good, thanks!