chore: initial scaffold of KDC Design System

Initial repository scaffold:
- design.md (google-labs-code/design.md format) as canonical token + guidelines source
- brand assets, foundations, tokens (W3C-style JSON)
- 12 component primitives, each with labeled anatomy.svg and spec README
- light / dark / high-contrast themes, web/mobile/email/print/presentation templates
- docs (getting started, principles, a11y, voice & tone, contributing)
- runnable web example, token build script stub, CI placeholder

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

docs/getting-started/README.md

@@ -0,0 +1,17 @@
+# Getting Started
+
+1. **Read** [`design.md`](../../design.md) — the canonical token spec.
+2. **Pick** a platform from [`examples/`](../../examples/).
+3. **Install** the fonts from [`assets/fonts/`](../../assets/fonts/).
+4. **Import** the tokens from [`tokens/`](../../tokens/).
+5. **Layer** a theme from [`themes/`](../../themes/).
+
+## Local setup
+
+```bash
+# install
+npm install
+
+# regenerate tokens (when scripts/build-tokens.js is implemented)
+npm run build:tokens
+```