#2082 - Update Swagger for Bulleted List in Emails

[MackHalliday]

Description

• Updating the Swagger documentation to note o indicate that email notifications can now include personalization rendered as a bullet list.
• Includes examples in documentation

issue #2082

How Has This Been Tested?

• Confirmed updated doc with with @kbelikova-oddball

Checklist

• I have assigned myself to this PR
• PR has an appropriate title: #9999 - What the thing does
• PR has a detailed description, including links to specific documentation
• I have added the appropriate labels to the PR.
• I did not remove any parts of the template, such as checkboxes even if they are not used
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• I have performed a self-review of my own code
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• I have made corresponding changes to any documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works. Testing guidelines
• I have ensured the latest main is merged into my branch and all checks are green prior to review
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• The ticket was moved into the DEV test column when I began testing this change