Adds new button for Executorch on Discord

Signed-off-by: Chris Abraham <[email protected]>

Author: cjyabraham

executorch.html

@@ -63,6 +63,9 @@ <h2 class="mt-5 mb-2" id="explore-executorch">Explore ExecuTorch</h2>
           <a href="https://github.com/pytorch/executorch" class="btn btn-lg with-right-arrow">
             ExecuTorch on GitHub
           </a>
+          <a href="https://discord.gg/Dh43CKSAdc" class="btn btn-lg with-right-arrow">
+            ExecuTorch on Discord
+          </a>
         </p>
 
         <h2 class="mt-5 mb-2" id="why-executorch">Why ExecuTorch?</h2>