Update index.html

Author: Gatoc-Idk

index.html

@@ -309,7 +309,7 @@ <h2>
       Blockly JavaScript Builder
     </h2>
     <div class="right-buttons">
-      <button onclick="window.open('https://discord.gg/QzajRf5H', '_blank')">💬 Join Discord</button>
+      <button onclick="window.open('https://discord.gg/xzPTxqNR', '_blank')">💬 Join Discord</button>
       <button id="settingsToggle">⚙️ Settings</button>
     </div>
   </div>