{% assign tags = include.data | map: "tags" | uniq %}
{% for tag in tags %}
  {% capture accordion_content %}
    {% assign posts = include.data | where: "tags",  tag %}
    {% include blog-list.html date=include.date share_buttons=include.share_buttons %}
  {% endcapture %}
  {% if tag.size > 0 %}
    {% assign title = tag %}
  {% else %}
    {% assign title = "Uncategorised" %}
  {% endif %}
  {% include single-accordion.html title=title content=accordion_content %}
{% endfor %}