Giscus repo assumed to be MM site repo

[wsdewitt]

minimal-mistakes/_includes/comments-providers/giscus.html

Line 14 in 01eeb08

script.setAttribute('data-repo', '{{ site.repository | downcase }}');

This line assumes the giscus comments are hosted via GitHub Discussions on the very same repo as the MM site, however this need not be the case—e.g. one might want to keep the MM site repo private, and host comments on a public repo.

The giscus config includes a repo variable that is currently ignored by this template. I propose to replace site.repository | downcase with site.comments.giscus.repo (perhaps defaulting to site.repository).

[iBug]

PR welcome