Rework index and docs pages with @nuxt/ui components

Co-authored-by: ArthurDanjou <29738535+ArthurDanjou@users.noreply.github.com>

package.json

@@ -14,6 +14,7 @@
   "dependencies": {
     "@nuxt/content": "3.9.0",
     "@nuxt/eslint": "1.12.1",
+    "@nuxt/ui": "^4.2.1",
     "@nuxthub/core": "0.10.1",
     "@nuxtjs/mcp-toolkit": "0.5.2",
     "better-sqlite3": "12.5.0",
@@ -26,10 +27,12 @@
     "zod": "4.2.1"
   },
   "devDependencies": {
+    "@iconify-json/heroicons": "^1.2.3",
+    "@iconify-json/simple-icons": "^1.2.63",
     "@nuxt/eslint-config": "1.12.1",
     "eslint": "9.39.2",
     "typescript": "5.9.3",
     "vue-tsc": "3.1.8",
     "wrangler": "4.55.0"
   }
-}
+}