feat: add fileupload util

[aayushkatariaa]

Description 📝

Related Issues 🐛

This PR fixes - # ...

Checklist ✅

• [x] I have read the contribution guidelines.
• [x] My code follows the project's coding style.
• [x] I have tested my changes locally.
• [x] I have updated the documentation if necessary.
• [x] All new and existing tests pass.
• [x] I agree that all commits in this PR will be squashed.

Reviewer Instructions 👁️‍🗨️

Additional Notes 📌

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