Add Spiral Matrix II implementation

[itsKomal1508]

• 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 algorithms include a corresponding test class that validates their functionality.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

❌ Patch coverage is 95.23810% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 79.11%. Comparing base (a7eeee2) to head (16d1943).

Files with missing lines	Patch %	Lines
.../java/com/thealgorithms/matrix/SpiralMatrixII.java	95.23%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7232      +/-   ##
============================================
+ Coverage     79.08%   79.11%   +0.02%     
- Complexity     6973     6983      +10     
============================================
  Files           783      784       +1     
  Lines         22950    22971      +21     
  Branches       4512     4519       +7     
============================================
+ Hits          18151    18174      +23     
+ Misses         4077     4076       -1     
+ Partials        722      721       -1     

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