cupper-hugo-theme/themes/cupper/layouts/_default/list.html

{{ define "main" }}
  <main id="main">
    <h1>
      {{ .Title }}
    </h1>
    <ul class="patterns-list">
      {{ range .Data.Pages }}
          {{ .Render "li"}}
      {{ end }}
    </ul>
  </main>
{{ end }}