"Research paper" links on landing page and info modal should be updated when paper is published

[paxtonfitzpatrick]

Both currently point to the latest PsyArXiv preprint version, which is a few revisions behind.

Alternatively, we could update the version available on PsyArXiv (though the published version will be typeset nicer and is open access, so probably not really necessary)

[jeremymanning]

Already on the list-- this needs to be updated after the DOI goes live.