docs: add article link to README

feat(skills): optimize all 8 skill descriptions for better trigger coverage

Update README.md

docs: add cover image to README

Update README.md

docs: add 17 lifecycle events list and hook types (command, HTTP, prompt)

fix: replace YOUR_USERNAME with Aedelon in clone URL

Fix PostToolUse field name and remove private command reference

Fix invalid JSON in settings template and remove private agent names

Rename claude.md to CLAUDE.md (official convention)

Initial release: Claude Code Blueprint