Add opendata.swiss portal card

Author: aborruso

website/src/pages/index.astro

@@ -537,6 +537,21 @@ const baseUrl = '/ckan-mcp-server';
             </div>
             <p class="text-sm text-gray-600">United Kingdom Open Data</p>
           </a>
+
+          <a
+            href="https://opendata.swiss/en/"
+            target="_blank"
+            rel="noopener noreferrer"
+            class="portal-card bg-white p-6 border border-gray-200"
+          >
+            <div class="flex items-center gap-3 mb-3">
+              <span class="text-3xl emoji-flag">🇨🇭</span>
+              <h3 class="display-font text-xl font-semibold text-navy">opendata.swiss</h3>
+            </div>
+            <p class="text-sm text-gray-600">✅ Online</p>
+            <p class="text-sm text-gray-600">2.11.4</p>
+            <p class="text-sm text-gray-600">Portale dati Svizzera.</p>
+          </a>
         </div>
 
         <p class="text-center mono text-sm text-gray-500 mt-12 tracking-wider uppercase">