Curate Atom-Feed topic

[trvny]

Please confirm this pull request meets the following requirements:

• I followed the contributing guidelines: https://github.com/github/explore/blob/main/CONTRIBUTING.md.
• This change is not self-promotion.

Which change are you proposing?

• Suggesting edits to an existing topic or collection
• Curating a new topic or collection
• Something that does not neatly fit into the binary options above

Curating a new topic or collection

• I've formatted my changes as a new folder directory, named for the topic as it appears in the GitHub topic URL.
• My folder contains a square 288x288 PNG image and index.md.
• All required fields in my index.md conform to the Style Guide and API docs.

The atom-feed topic is used by projects that publish, parse, and consume Atom feeds. This adds concise metadata, the RFC 4287 specification link, related topics, and reuses the repository's existing feed artwork.

[github-actions]

Maintainer triage

Topics

• atom-feed — 225 repositories — topic page