mmote.ru/themes/mmotium/layouts/partials/sidebar.html

<section class="sidebar">

    {{ if .IsPage }}
    <div class="item">
        {{- $thumb := .Page.Resources.Get .Params.featured_image -}}
        {{if $thumb}}
        <img class="thumb" alt="thumb" src="{{ ($thumb.Fit "300x300").RelPermalink }}">
        {{end}}

        {{ with .Description }}
        <div>{{ . }}</div>
        {{ end }}

        {{ if strings.Contains .TableOfContents "li" }}
        <div class="toc">
            {{ .TableOfContents }}
        </div>
        {{ end }}
    </div>
    {{ end }}

    <div class="item">
        <h4>Категории</h4>
        <div class="categories">
            <ul>
                {{ range .Site.Taxonomies.categories }}
                        <li><a href="{{ .Page.RelPermalink }}">{{ .Page.Title }}</a> {{/* .Count */}}</li>
                {{ end }}
            </ul>
        </div>
    </div>
    <div class="item">
        <p>
            <a href="https://old.mmote.ru">Старый сайт</a>
        </p>
        <p>
            <a href="https://t.me/mmotium">Telegram</a>
        </p>
        <p>
            <!--commit-->
        </p>
    </div>
</section>