refactor: Enhance docs, add tests in PrintMatrixInSpiralOrder

[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

❌ Patch coverage is 30.43478% with 16 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.68%. Comparing base (a0b6c52) to head (abe61e7).

Files with missing lines	Patch %	Lines
...rithms/datastructures/bloomfilter/BloomFilter.java	30.43%	13 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6636      +/-   ##
============================================
- Coverage     75.74%   75.68%   -0.06%     
- Complexity     5765     5766       +1     
============================================
  Files           701      701              
  Lines         19757    19779      +22     
  Branches       3831     3841      +10     
============================================
+ Hits          14964    14969       +5     
- Misses         4214     4228      +14     
- Partials        579      582       +3     

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[DenizAltunkapan]

Thank you! @Hardvan

[DenizAltunkapan]

.

[DenizAltunkapan]

@Hardvan
I found that there are multiple PrintAMatrixInSpiralOrder classes:

• com.thealgorithms.matrix.PrintAMatrixInSpiralOrder
• com.thealgorithms.others.PrintAMatrixInSpiralOrder

Please remove the duplicate class in the others package and ensure that only one class remains in the matrix package.
Also, move your updated class (with improved documentation) and the corresponding test file into the matrix package so at the end there exists only one class in the matrix folder