Activating ICAO on the index.

index.html

@@ -50,6 +50,10 @@
       </div>
 
       <h3>Vendor-specific Payloads</h3>
+      <div style="margin: 0 12px;">
+        <button onclick="location.href='icao.html'">V1.0 - ICAO Visible Digital Seals</button>
+        <br/ ><br/>
+      </div>
       <div style="margin: 0 12px;">
         <button onclick="location.href='eu.dgc.html'">V1.0 - EU Digital Green Certificates</button>
         <br/ ><br/>