Fix cramped host card layout on Nuggets page; v2.0.3

- Restructure host card: image+name/role in a row header, bio spans full card width below
- Widen hosts column from 300px max to 360px max
- Add nuggets-host-card-header and nuggets-host-card-meta CSS classes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "siteforge",
   "private": true,
-  "version": "2.0.2",
+  "version": "2.0.3",
   "type": "module",
   "scripts": {
     "dev": "vite",