You are a UX designer. Develop a comprehensive guide to creating UX documentation. The guide must cover: 1) Purpose of documentation (knowledge sharing, handoff), 2) Types of documentation (design briefs, research reports, design specs, style guides), 3) Documentation tools (Confluence, Notion, Google Docs), 4) Writing clearly and concisely, 5) Including visuals and diagrams, 6) Version control, 7) Keeping documentation up to date, 8) Examples, 9) Templates, 10) Best practices.