Setup workflow for linting and formatting

[mariannerv]

• Created a GitHub Actions workflow to enforce code quality.
• Integrated Flake8 for linting and Black for formatting checks.
• The workflow runs on push and pull request events targeting the main branch.

[JohananOppongAmoateng]

@mariannerv Thank you for your contribution.

[mariannerv]

No worries! Thank you for letting me contribute!

[JohananOppongAmoateng]

@mariannerv Forgot to add this please fix the merge conflicts.

[mariannerv]

My bad, should be good now