added backend authentication

[Shiv10122003]

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[github-actions]

Thank you for submitting your pull request! 🙌 We'll review it as soon as possible. In the meantime, If there are any specific instructions or feedback regarding your PR, we'll provide them here. Thanks again for your contribution! 😊

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Name	Status	Preview	Comments	Updated (UTC)
crypto-tracker	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 5, 2025 11:46am

[github-actions]

🎉🎉 Thank you for your contribution! Your PR #836 has been merged! 🎉🎉