hugo-coder/layouts/partials/taxonomy/categories.html

<div class="categories">
  <i class="fa fa-folder" aria-hidden="true"></i>
  {{- range $index, $el := . -}}
    {{- if gt $index 0 }}
      <span class="separator">•</span>
    {{- end }}
    <a href="{{ ( printf "categories/%s/" ( . | urlize ) ) | relLangURL }}">{{ . }}</a>
  {{- end -}}
</div>