Documentation Improvement: Add Table of Contents

[GUNJESH843]

Is your documentation request related to a problem? Please describe.
The existing documentation lacks a Table of Contents, making it difficult for users to navigate through the sections efficiently.

Describe the documentation you want to improved
We need to add a Table of Contents to the documentation to improve its structure and usability. No deletions are necessary.

Additional context

here's how it would look afterwards 🌟

[github-actions]

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[GUNJESH843]

@akshitagupta15june can you assign this issue to me?