feat:Added Stack Implementation Using LinkedList

[tarandeepsingh-wd]

• 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.
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• 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 78.93%. Comparing base (bb33488) to head (d5538b6).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7179      +/-   ##
============================================
+ Coverage     78.90%   78.93%   +0.03%     
- Complexity     6864     6873       +9     
============================================
  Files           772      773       +1     
  Lines         22697    22723      +26     
  Branches       4459     4459              
============================================
+ Hits          17908    17936      +28     
+ Misses         4073     4072       -1     
+ Partials        716      715       -1     

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