feat: add stable selection sort algorithm

[kiranj26]

Add Stable Selection Sort Algorithm

Description of Change

This pull request adds a stable selection sort algorithm to the repository. The algorithm maintains the relative order of equal elements while sorting the array. It includes:

• Implementation of stable selection sort.
• Detailed documentation using Doxygen.
• Multiple test cases to verify the algorithm.

References

• Stable Selection Sort Algorithm

Checklist

• Added description of change
• Added file name matches File name guidelines
• Added tests and example, test must pass
• Relevant documentation/comments are changed or added
• PR title follows semantic commit guidelines
• Search previous suggestions before making a new one, as yours may be a duplicate.
• I acknowledge that all my contributions will be made under the project's license.

Notes

This implementation ensures that the relative order of equal elements is maintained, providing a stable sort.

[github-actions]

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