Add ProviderCard molecule — first molecule in design system

First molecule component. Listing card for funeral providers on the
provider select screen (map + scrollable list layout).

- Verified providers: hero image, 48px logo overlay, "Trusted Partner"
  badge, name, location, reviews, capability badge, footer with price
- Unverified providers: text-only with same content alignment
- 7 component tokens (image height, logo size, footer/content spacing)
- Composes Card (interactive, padding="none") + Badge + Typography
- Capability badges accept arbitrary label + colour (categories may change)
- Footer bar with warm brand.100 bg, "Packages from $X >"
- 9 Storybook stories including mixed list layout demo
- Decisions D026-D030 logged

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docs/memory/token-registry.md

@@ -264,3 +264,17 @@ the correct token for any design property.
 |-----------|-----------|---------|-------------|
 | radio.size.default | 20px | Radio | Outer circle size |
 | radio.dotSize.default | 10px | Radio | Inner selected dot size |
+
+### ProviderCard
+
+`tokens/component/providerCard.json`
+
+| Token path | Value / Reference | Used by | Description |
+|-----------|-----------|---------|-------------|
+| providerCard.image.height | 180px | ProviderCard | Hero image fixed height |
+| providerCard.logo.size | 48px | ProviderCard | Logo circle diameter |
+| providerCard.footer.background | → color.brand.100 (#F7ECDF) | ProviderCard | Warm beige footer bar |
+| providerCard.footer.paddingX | → spacing.4 (16px) | ProviderCard | Footer horizontal padding |
+| providerCard.footer.paddingY | → spacing.3 (12px) | ProviderCard | Footer vertical padding |
+| providerCard.content.padding | → spacing.4 (16px) | ProviderCard | Content area padding |
+| providerCard.content.gap | → spacing.2 (8px) | ProviderCard | Gap between content rows |