Pre-Validation for Hardware Availability in Catalog Requests

[Maheshkh9738]

PR Description:

This project adds pre-validation for hardware availability in ServiceNow Catalog Items. Before submitting a request, the system checks if the requested hardware is available in inventory and blocks submission if stock is insufficient. we can easy to extend other validations (budget, licenses, etc.).Improves user experience by validating before approval.Prevents unnecessary approvals and fulfillment.

Pull Request Checklist

Overview

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• I have read and understood the CONTRIBUTING.md guidelines
• My pull request has a descriptive title that accurately reflects the changes and the description has been filled in above.
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• I've created a new branch in my forked repository for this contribution

Code Quality

• My code is relevant to ServiceNow developers
• My code snippets expand meaningfully on official ServiceNow documentation (if applicable)
• I've disclosed use of ES2021 features (if applicable)
• I've tested my code snippets in a ServiceNow environment (where possible)

Repository Structure Compliance

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  • Core ServiceNow APIs/
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Documentation

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• My PR does not include XML exports of ServiceNow records
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• My PR does not include changes that fall outside the described scope

[ravichandra1998g]

Hello @Maheshkh9738

The readme file should be a readme.md file and not a javascript file.

also, your script must be under a java script file.

Please make changes accordingly.

[ravichandra1998g]

looks good