Storybook voor Clippy Design System

[Robbert]

• Storybook toegevoegd op basis van best practices in packages/clippy-storybook feat: storybook #246
• Storybook toont web components
• Vercel deployments via Terraform repo
• Vercel build commands via vercel.json
• Chromatic doet visuele regressietests via deze Storybook