Code Documentation

It covers the full spectrum: README templates with quick start sections, JSDoc and OpenAPI specs for APIs, inline commenting guidelines that explain when to comment and when not to, plus architecture decision records. The inline comment examples are especially practical, showing the difference between explaining why you used binary search versus pointlessly commenting that you're incrementing a counter. It also includes that crucial principle that stale docs are worse than no docs. Use this when you're documenting a new API, writing a README for an open source project, or trying to figure out what level of detail your comments actually need.