Add prediction comparison feature

[prachishelke1312]

Changes Made

• Added comparePredictions helper
• Added Compare button for prediction history
• Enabled comparison between latest and previous predictions

Fixes #

[vercel]

@prachishelke1312 is attempting to deploy a commit to the Om Roy's projects Team on Vercel.

A member of the Team first needs to authorize it.

[github-actions]

Thanks for creating a PR for your Issue! ☺️

We'll review it as soon as possible.
In the meantime, please double-check the file changes and ensure that all commits are accurate.

If there are any unresolved review comments, feel free to resolve them. 🙌🏼

[prachishelke1312]

Hi maintainers,

The PR is ready for review. The workflow is currently awaiting approval and the Vercel deployment requires authorization.

Could you please approve the workflow when you get a chance?

Thank you.