updated CreateAndDetectLoop with test

[albinsabu2023]

Above algorithm helps to find the length of loop in linkedlist

• [x] I have read CONTRIBUTING.md.
• [x] This pull request is all my own work -- I have not plagiarized it.
• [x] All filenames are in PascalCase.
• [x] All functions and variable names follow Java naming conventions.
• [x] All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• [x] All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 84.21053% with 3 lines in your changes missing coverage. Please review.

Project coverage is 58.80%. Comparing base (b54cc21) to head (688b48b).

Files with missing lines	Patch %	Lines
...thms/datastructures/lists/CreateAndDetectLoop.java	84.21%	1 Missing and 2 partials :warning:

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5561      +/-   ##
============================================
+ Coverage     58.59%   58.80%   +0.20%     
- Complexity     3749     3759      +10     
============================================
  Files           554      554              
  Lines         15922    15908      -14     
  Branches       3030     3028       -2     
============================================
+ Hits           9330     9354      +24     
+ Misses         6195     6154      -41     
- Partials        397      400       +3     

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[siriak]

It's already present here https://github.com/TheAlgorithms/Java/blob/b61c54797babbe46825586894d69715d8947d559/src/main/java/com/thealgorithms/datastructures/lists/CreateAndDetectLoop.java#L5. Please improve the existing implementation (remove main, add tests, etc.)

[albinsabu2023]

Am i missing something ? Cuz I didnt get any response @arindam89 @siriak @BurkHufnagel