Utilizing spModal functionalities for SweetAlerts

[SrijanPatwa]

PR Description:

Pull Request Checklist

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• I have read and understood the CONTRIBUTING.md guidelines
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[mskoddow]

Thank you for your contribution!
The script looks good so far.
However please correct the numerous spelling errors in the readme.md file and use the correct Markdown syntax for a better formatting. For example, in point 3, all sub-items are written on a single line, which makes the whole thing incomprehensible.
After your fixes that pull request can be approved.

[SrijanPatwa]

Hi @mskoddow , The required changes have been done. Thank you.

[mskoddow]

Thanks for taking the time to polish this update. Glad to have you as part of Hacktoberfest with ServiceNow. Hope to see more from you.