feat(strings): add StringRotation to check if one string is a rotatio…

[konduri-lakshmi-prasanna]

…n of another

• 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 75.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.10%. Comparing base (14a23b7) to head (329c1d9).

Files with missing lines	Patch %	Lines
...java/com/thealgorithms/strings/StringRotation.java	75.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6759      +/-   ##
============================================
- Coverage     77.11%   77.10%   -0.02%     
- Complexity     6111     6115       +4     
============================================
  Files           719      720       +1     
  Lines         20437    20445       +8     
  Branches       3952     3953       +1     
============================================
+ Hits          15761    15765       +4     
- Misses         4079     4082       +3     
- Partials        597      598       +1     

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[konduri-lakshmi-prasanna]

All checks have passed successfully.
Requesting review and merge. Thank you!

[konduri-lakshmi-prasanna]

All checks have passed successfully.
Requesting review and merge. Thank you!

[konduri-lakshmi-prasanna]

All checks have passed
Requesting review when possible. Thank you!