Tags: DUBSOpenHub/copilot-cli-quickstart

feat: 🛤️ dual-track learning, community files, testing guide, failure…

… handling

- Add Developer (🧑‍💻) and Non-Developer (🎨) learning tracks
- Refactor Lesson 1: verify install instead of teaching it (user is already running CLI)
- Add 4 non-developer lessons (writing, planning, understanding code, summaries)
- Add advanced developer lesson (MCP, skills, models)
- Add CLI glossary for non-technical users
- Add reset/restart tutorial support
- Add concise Q&A mode for quick questions
- Add failure handling (offline docs, SQL errors, unclear input)
- Consolidate SKILL.md to single source with symlink
- Add CONTRIBUTING.md, CODE_OF_CONDUCT.md, CHANGELOG.md
- Add TESTING.md with 6 conversation playbooks and QA checklist
- Add issue templates (bug, feature, lesson idea) and PR template
- Update PRD with dual-track mermaid diagrams
- Update README with dual-track tables, architecture diagram, new structure

feat: 🚀 initial copilot-cli-quickstart skill — interactive tutor for …

…beginners