hugo-simpleIntro/layouts/partials/footer.html

<footer class="text-center mt-8 py-2 bg-gray-900 text-white">
  {{ range .Site.Data.site.footers.siteFooter}}
   <div>
      {{.text | $.RenderString (dict "markup" .markup)}} &copy; {{ now.Format "2006" }} {{ $.Site.Params.Name }}
    </div>
  {{end}}
</footer>