docs: fix broken link to XY Grid in Float Grid docs #10985
docs: fix broken link to XY Grid in Float Grid docs #10985

Closes https://github.com/zurb/foundation-sites/issues/10985

jamesstoneco/foundation-sites,jamesstoneco/foundation-sites,denisahac/foundation-sites,atmmarketing/foundation-sites,colin-marshall/foundation-sites,jamesstoneco/foundation-sites,zurb/foundation-sites,zurb/foundation-sites,zurb/foundation,atmmarketing/foundation-sites,DaSchTour/foundation-sites,abdullahsalem/foundation-sites,denisahac/foundation-sites,colin-marshall/foundation-sites,atmmarketing/foundation-sites,abdullahsalem/foundation-sites,denisahac/foundation-sites,colin-marshall/foundation-sites,abdullahsalem/foundation-sites,zurb/foundation,DaSchTour/foundation-sites,zurb/foundation-sites,zurb/foundation