Add JSON list outputs

[jmhale]

What does this PR do?

• Adds the option to output a JSON list of services, in addition to a Markdown Table, and SCP.

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Completion checklist

• Additions and changes have unit tests
• Unit tests, Pylint, security testing, and Integration tests are passing.. GitHub actions does this automatically
• The pull request has been appropriately labeled using the provided PR labels

[salesforce-cla]

Thanks for the contribution! Before we can merge this, we need @jmhale to sign the Salesforce.com Contributor License Agreement.

[kmcquade]

LGTM