docs: sync repository map with actual repository structure

[adhavan18]

Description

Related Issues

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

How Has This Been Tested?

Checklist

• My code follows the code style of this project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.

[adhavan18]

Hi @utksh1,

I've submitted PR #590 addressing this issue by updating the README repository map to better reflect the current project structure and contributor-relevant directories.

I'd appreciate a review whenever you have time. Thank you!