Update index.html

Author: wannaphong

index.html

@@ -61,7 +61,7 @@ <h1 class="display-3 center">PyThaiNLP Documentation</h1>
         </div>
 
       <footer class="footer">
-        <p>© PyThaiNLP 2018 - 2024</p>
+        <p>© PyThaiNLP 2016 - 2025</p>
       </footer>
 
     </div> <!-- /container -->