Update image and file references to be absolute paths (so they work in the Admin Center). Note: I didn't update internal links, since those seem to work for the Admin Center and keeping as-is will ensure Federalist previews work.
PR Checklist
[x] Test Federalist Preview link for your branch for functionality - make sure all links and buttons work, javascript works as intended, and updates display as expected
[N/A] Conduct a HemingwayApp review of the content for plain language. Request plain language review in #helpwanted if needed before merging this PR
[x] Conduct a Lighthouse Audit via Chrome Developer Tools. Identify any issues that must be addressed before merging, and fix
[x] Ensure no non-public information is published in the commit messages
Summary of Fixes
PR Checklist