feat : new bit manipulation algo Single element in an array

[Tuhinm2002]

• 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 66.66667% with 2 lines in your changes missing coverage. Please review.

Project coverage is 59.73%. Comparing base (6535d47) to head (f3501d8).

Files with missing lines	Patch %	Lines
...m/thealgorithms/bitmanipulation/SingleElement.java	66.66%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #5689   +/-   ##
=========================================
  Coverage     59.72%   59.73%           
- Complexity     3854     3856    +2     
=========================================
  Files           560      561    +1     
  Lines         16011    16017    +6     
  Branches       3072     3073    +1     
=========================================
+ Hits           9563     9567    +4     
- Misses         6045     6047    +2     
  Partials        403      403           

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