Feat : Added Payment frontend and WebHook and Stripe Setup Done

[Priyansh61]

Overview

1. This PR fixes payment and completes the payment interface and done everything.
2. This PR does the following:

• webhook integrated

• frontend done

• backend done

• ticket status update after payment

  Essential Checklist

• [ ] The PR title starts with "Fix #bugnum: ", followed by a short, clear summary of the changes. (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)

• [ ] "Allow edits from maintainers" is checked. (See here for instructions on how to enable it.)

• [ ] The PR is made from a branch that's not called "main/master".

Proof that changes are correct

PR Pointers

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[netlify[bot]]

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