feat: implement reviewer assign workflow

Related issue:

This PR closes issue #93

Description:

This pull request addresses the need for a GitHub Actions workflow that automates the process of assigning reviewers to pull requests upon their opening. By implementing this feature, we aim to streamline our code review processes and ensure timely feedback from team members.

Files added

.github/workflows/action.yml
.github/auto_assign.yml

Proposed Changes:

Workflow Development: Introduce a GitHub Actions workflow script that triggers upon the opening of a pull request.
Reviewer Assignment Logic: Implement logic to automatically assign reviewers based on predefined rules or configurations defined in the workflow config.

Expected Behavior:

The workflow triggers automatically when a pull request is opened.
Reviewers are assigned to the pull request based on the defined rules or configurations.
Reviewer assignments are customizable and adaptable to project-specific requirements.

Benefits:

Streamlines the code review process by automating reviewer assignments.
Ensures timely feedback and reduces bottlenecks in the development workflow.
Improves collaboration and accountability among team members.

Checklist:

[X] Implemented GitHub Actions workflow for automated reviewer assignment.
[X] Tested the workflow to ensure proper triggering and reviewer assignment.

@sagnik3788 please review this PR and don't forget to add SWOC and difficulty level label after merging the PR. Thanks

sagnik3788 / FlavorFleet

feat: implement reviewer assign workflow #94