Hugo - Display breadcrumb navigation

template.html

{{- $currentPage := . }}
{{- with .Ancestors.Reverse }}
  <nav class="breadcrumbs">
    {{- range $k, $_ := . | append $currentPage }}
      {{- if $k }}
        <span class="breadcrumb-separator">&raquo;</span>
      {{- end }}
      {{- if $currentPage.Eq . }}
        <a aria-current="page" href="{{ .RelPermalink }}">{{ .LinkTitle }}</a>
      {{- else }}
        <a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a>
      {{- end }}
    {{- end }}
  </nav>
{{- end }}