Client side to call an approved Script Include

[kmxo]

PR Description:

Example of Client Script OnLoad to call a Script Include already approved in this event.
More details within the script file.

Pull Request Checklist

Overview

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• I have read and understood the CONTRIBUTING.md guidelines
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Code Quality

• My code is relevant to ServiceNow developers
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[Atul-LNG]

Thanks @kmxo for the contribution and participation.