Public Github repositories sorted by number of watchers

projects.html

{% if site.github.public_repositories %}
  {% assign sorted_repositories = site.github.public_repositories | sort: 'watchers_count' %}
  {% for repository in sorted_repositories reversed %}
    <h2><a href="{{ repository.html_url }}" target="_blank">{{ repository.name }}</a></h2>
    <p>{{ repository.description }}</p>
  {% endfor %}
{% endif %}