add non-normative deliverable for language support

address #3

Author: pchampin

2024/json-ld-wg/index.html

@@ -258,6 +258,7 @@ <h3>
               <li>Application profile of JSON-LD to enable efficient streaming parsers.</li>
               <li>Test suites and implementation reports for the specifications.</li>
               <li>Best practices for use and implementation of JSON-LD 1.1.</li>
+              <li>Best practices for supporting multiple languages in JSON, based on JSON-LD <a href="https://www.w3.org/TR/json-ld/#value-objects">value objects</a></li>
             </ul>
         </section>