fix(example): add note about files not added to IPFS

Author: tabcat

example/index.html

@@ -66,6 +66,9 @@
         helia
       </a>
       <br />
+      <p>
+        <strong>note:</strong> files are only imported locally and not advertised on IPFS.
+      </p>
       <p>
         <strong>note:</strong> files starting with a period (hidden files) are not imported.
       </p>