Pre/Post Processing Script for Mapping reference fileds from Pattern Designer

[ChandBasha-code]

PR Description:

Creation of Pre/Post Processing script to map the reference filed data from the Discovery Pattern

Pull Request Checklist

Overview

• I have read and understood the CONTRIBUTING.md guidelines
• My pull request has a descriptive title that accurately reflects the changes
• I've included only files relevant to the changes described in the PR title and description
• I've created a new branch in my forked repository for this contribution

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• My code is relevant to ServiceNow developers
• My code snippets expand meaningfully on official ServiceNow documentation (if applicable)
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[ravichandra1998g]

Hello @ChandBasha-code
Thanks for your submission. It appears that this pull request contains more files than described in the title. Please review and update the pull request to either remove the extra/unintended files or to update the description to be more comprehensive. Ensure your contributions are meaningful and adhere to the project’s standards. [If applicable: You can create a new branch on your forked repository to avoid accidental inclusions of new commits in the future.]. Closing this for now. Once you make additional changes, feel free to re-open this Pull Request or create a new one.