Updated readme -Adding back to top of readme , Added Contributors section, Added Support with feedback

[abhi87374]

What's wrong with the existing documentation
Hi @TusharAMD ,
-I would like to add Thanks to all the Contributors section, support section, and back-to-top section to the README document.

It shows your love towards the contributors and adding back to the top link at the bottom right of the readme document, this change enhances the usability and navigation of the document.

--Adding the thanks to contributors' section with a beautiful image of all the contributors and support section,
--Adding back to top link

Screenshot

Checklist

• I have checked the existing issues
• I have read the Contributing Guidelines
• I am willing to work on this issue
• I am a GSSoC'24 contributor

[github-actions]

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