Create RayCasting.java

[Somyagarg0309]

The Ray Casting algorithm, is used to determine whether a point lies inside a polygon.

• 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 0% with 15 lines in your changes missing coverage. Please review.

Project coverage is 54.49%. Comparing base (f34fe4d) to head (182e3db).

Files with missing lines	Patch %	Lines
...in/java/com/thealgorithms/geometry/RayCasting.java	0.00%	15 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5589      +/-   ##
============================================
- Coverage     54.56%   54.49%   -0.07%     
  Complexity     3413     3413              
============================================
  Files           535      536       +1     
  Lines         15383    15398      +15     
  Branches       2935     2938       +3     
============================================
- Hits           8393     8391       -2     
- Misses         6637     6653      +16     
- Partials        353      354       +1     

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