Update README.md to improve its appearance and correct any grammar and spelling mistakes.

[vishalkishore]

Task

• Installation Section: Step-by-step setup, including prerequisites, dependencies.
• Contribution Guidelines Section: Cover code of conduct, forking, branching, PR submission; require PRs to be polite, constructive, with detailed titles and change explanations.
• Improve it appearance and sections

Acceptance Criteria

• README styled properly
• Dedicated sections for installation and guidelines.
• Explicit rules for respectful, descriptive PRs (with examples).
• Test README for clarity; no unnecessary changes.

[Arnesh-pal]

I would be happy to help
Feel free to assign it to me

[vishalkishore]

sure