Fix NEA document links in tutorial

[greentfrapp]

What is the change?

Update outdated NEA document links in the tutorial, as well as comments in tutorial input files.

Why is the change being made?

When going through the tutorial, many constants are referenced from NEA documents. Links to these documents are currently outdated and do not point to any valid PDFs. This PR updates the links and cites the specific tables within comments in the input files.

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Checklist

• [x] This PR has only one purpose or idea.
• [x] Tests have been added/updated to verify any new/changed code.
• [x] The code style follows good practices.
• [x] The commit message(s) follow good practices.
• [x] The release notes have been updated if necessary.
• [x] The documentation is still up-to-date in the doc folder.
• [x] The dependencies are still up-to-date in pyproject.toml.

[CLAassistant]

All committers have signed the CLA.

[john-science]

Thanks so much @greentfrapp !