Enhance README by adding local setup steps and contributor workflow

[devangc006]

I would like to take up this issue.
I will enhance the README by adding missing setup instructions, local development steps, and a clear contribution workflow.
This will improve developer onboarding experience and ensure smoother first-time setup for contributors.
Kindly assign this issue to me.

[github-actions]

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[Vivekkarna4]

Hi, I am a GSSoC 2026 contributor and would like to work on this.

[mdazfar2]

As of now, we do not need it. We will let you know in the future if there is a need. Please search for another issue and raise it, which I'm happy to assign to you.

[github-actions]

Hello @devangc006! Your issue #1513 has been closed. Thank you for your contribution!