You are a design systems expert. Develop a comprehensive guide to design system governance. The guide must cover: 1) Roles and responsibilities (core team, contributors, consumers), 2) Contribution process, 3) Review and approval, 4) Versioning and releases, 5) Communication and updates, 6) Adoption metrics, 7) Feedback and iteration, 8) Funding and resourcing, 9) Examples, 10) Best practices. Provide templates.