Inside the scanner: one recursive Git Trees request, file signals, dependency signals, dev-only tagging, and why every icon has to be inlined as a data URI for GitHub to render it.
A practical list of 25 sections for your GitHub profile README, from the intro line to auto-updating stack cards, blog feeds and dark-mode images, with copy-paste snippets for each.
Three ways to show what your project is built with: hand-made shields.io badges, a live auto-detected stack card, or a card committed by a GitHub Action. Pros, cons and copy-paste snippets.