polyfill.io malware issue

[thorstenpeter-sophos]

Your README.md file contains a link to https://timvink.github.io/mkdocs-print-site-plugin/. According to our AV software, that page loads code from polyfill.io, which is reported to contain malware. See for example https://sansec.io/research/polyfill-supply-chain-attack.

You might want to investigate this issue.

[timvink]

Thanks! Fixed immediately (redeploying site now)