feat: add minimum absolute difference pairs algorithm

[uzman2406]

Describe your change:

• [✔️ ] Add an algorithm?
• Fix a bug or typo in an existing algorithm?
• Add or change doctests? -- Note: Please avoid changing both code and tests in a single pull request.
• Documentation change?

Checklist:

• [ ✔️] I have read CONTRIBUTING.md.
• [✔️ ] This pull request is all my own work -- I have not plagiarized.
• [✔️ ] I know that pull requests will not be merged if they fail the automated tests.
• [✔️ ] This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• [✔️ ] All new Python files are placed inside an existing directory.
• [✔️ ] All filenames are in all lowercase characters with no spaces or dashes.
• [✔️ ] All functions and variable names follow Python naming conventions.
• [✔️] All function parameters and return values are annotated with Python type hints.
• [✔️ ] All functions have doctests that pass the automated testing.
• [✔️ ] All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
• If this pull request resolves one or more open issues then the description above includes the issue number(s) with a closing keyword: "Fixes #ISSUE-NUMBER".

[uzman2406]

Hi! 👋

This PR adds a new algorithm Minimum Absolute Difference Pairs in the arrays section.
It finds all pairs with the minimum absolute difference in a given array.
Includes doctests and follows PEP8 and repository guidelines.

Please let me know if any improvements are needed. Thanks! 🙂