Fix Replit instruction

[polekstulod]

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[Ashutosh00710]

@polekstulod can you please elaborate what exactly is fixed in this PR.

[polekstulod]

@Ashutosh00710 there is a minor mistake on Replit deployment instructions, I don't see number 4 step exist when deploying in Replit. I think that's from deploying on Heroku instead of Replit.

[Ashutosh00710]

Thanks for the contribution @polekstulod 🚀. You can add you name as a contributor in the project readme.