Adding examples under healthcare to post hl7 messages to HCAPI.

[devanshmodi]

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[github-actions]

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R: @robertwb added as fallback since no labels match configuration

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[svetakvsundhar]

R: @svetakvsundhar

[github-actions]

Stopping reviewer notifications for this pull request: review requested by someone other than the bot, ceding control

[svetakvsundhar]

Thanks for contributing this example! Let's sync up to walk through some of the formatting on the notebook.

[svetakvsundhar]

Moving comms to #28873, so we can close this PR

[github-actions]

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[damccorm]

Closing since I think this has been moved to a separate PR. If that's wrong, feel free to reopen