fix: Clarify orcid no match message

[dougollerenshaw]

Updates the error messages in the docstring for the orcid lookup tool to:

• Make it clear that name matching alone is not enough - users must add either their affiliation or have a verified allen domain email
• Provide a more useful message when the service errors. It's not always due to being off the network.

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📚 Documentation preview 📚: https://scicomp-docs--244.org.readthedocs.build/en/244/

Closes #243

[dougollerenshaw]

Note: I confirmed that my orcid still resolves on the network.

Then I confirmed that when I disconnected from the VPN, I get this:

I also verified that a 503 error now gives this: