Added Selection Sort using C++

[jency1]

Description:

Added Selection Sort using C++

Fixes #351

@Kavya-24 Please review and merge this PR under Hacktoberfest 2024.

Type of change:

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] Change in documentation

Checklist:

• [x] My code follows the style guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [x] I have added tests that prove my fix is effective or that my feature works.
• [x] New and existing unit tests pass locally with my changes.
• [x] Any dependent changes have been merged and published in downstream modules.
• [x] Necessary documentation changes done
• [x] I have added the file in the correct directory

Screenshots / Video:

[jency1]

Please remove the executable binary from the commit. Rest LGTM !

@kavya' Ok. Can you guide me how to remove that file ?

[Kavya-24]

Just remove the output folder you have added in a commit-

[jency1]

Just remove the output folder you have added in a commit-

@Kavya-24 I am not getting the option to delete this file. Also this file has no data and it has been included while I was commiting the PR , I have not included it.