This skill should be used when the user asks to "add news", "post news", "add an X post to news", "add tweet to news", "add announcement", "add curated link", "post to news feed", "share on news", "add article to news", or mentions adding content to the dcbuilder.dev news section. Provides workflows for adding announcements (portfolio company posts with logos) and curated links (external content) with optional R2 image upload.