v0.16.0

Minor Enhancements

• Add support for page.description in front matter to become entry <summary> (#297)

Bug Fixes

• Fold private methods into the :render method as local variables (#327)
• Check post.categories instead of post.category (#357)
• Switched xml_escape for <![CDATA[]]> for post content (#332)

Development Fixes

• Add Ruby 3.0 to CI (#337)
• Lock RuboCop to v1.18.x (#348)
• Add workflow to release gem via GH Action (#355)

Documentation

• Use .atom extension in documented examples since we write an Atom feed (#359)