Generated Atom feed plugin.

The plugin uses XM rather than hand-written XML strings. It is a small, plugin-shaped baseline for blogs and changelogs.

Options

• :site_url - required absolute site URL, for example "https://example.com".
• :collection - collection name to publish. Defaults to :posts.
• :title - feed title. Defaults to "Feed".
• :author - feed author. Defaults to "Astral".
• :entry_author - optional string or one-arity function for per-entry authors.
• :path - feed route path. Defaults to "/feed.xml".
• :limit - max entries. Defaults to 20.
• :include_drafts - include draft entries when present. Defaults to false.
• :summary - optional one-arity function for entry summaries.
• :content - :html, :text, or false. Defaults to :html.