Feature: Enhancing readme.md by adding dropdowns

[Aditijainnn]

The readme looks fine but its too long to read to so adding dropdown and go to top toggle
please assign me this under gssoc ext

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[alo7lika]

assign me this work, I would love to contribute. Add labels gssoc and hacktoberfest

[sanjay-kv]

there is already simillar issue raised , so if you have specific new idea to implement comment below with sample . we will go with it

[github-actions]

Hello @Aditijainnn! Your issue #549 has been closed. Thank you for your contribution!