refactor(assets): replace named exports with wildcard ./assets/* export

Consumers now import via @cameleer/design-system/assets/<filename> instead
of named aliases like /logo-32. Simpler, more flexible, and supports any
future assets without adding new export entries.

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

package.json

@@ -11,14 +11,7 @@
       "import": "./dist/index.es.js"
     },
     "./style.css": "./dist/style.css",
-    "./logo": "./assets/cameleer3-logo.png",
-    "./logo-16": "./assets/cameleer3-16.png",
-    "./logo-32": "./assets/cameleer3-32.png",
-    "./logo-48": "./assets/cameleer3-48.png",
-    "./logo-180": "./assets/cameleer3-180.png",
-    "./logo-192": "./assets/cameleer3-192.png",
-    "./logo-512": "./assets/cameleer3-512.png",
-    "./logo-svg": "./assets/camel-logo.svg"
+    "./assets/*": "./assets/*"
   },
   "files": [
     "dist",