site-www

Proofreads Markdown files against Google guidelines.

Sync the changelog from the Dart SDK repo to update the changelog.yml entries in the site repository.

Publish a new article to the Dart blog from a Google Doc.

Stages the Dart site locally for PR validation. Includes formatting Dart code, syncing excerpts, building the site, checking for broken links, and serving the development site.

Update the whats-new page with changes to the website since the previous release.