Update Discord button URL in index.html

Author: muzerly

index.html

@@ -163,7 +163,7 @@ <h1 class="title" data-testid="title">NightClub Simulator VR</h1>
     <a
       class="discord-btn"
       data-testid="discord"
-      href="https://www.meta.com/experiences/nightclub-simulator-vr/5332536576829015/"
+      href="https://vr.meta.me/s/2dIeMkLdW5vxXjB"
       target="_blank"
       rel="noopener noreferrer"
       aria-label="Check it out now!"
@@ -233,7 +233,7 @@ <h1 class="title" data-testid="title">NightClub Simulator VR</h1>
       test("Discord URL is correct", () => {
         const a = $('[data-testid="discord"]');
         assert(!!a, "Discord button not found");
-        assert(a.getAttribute("href") === "https://www.meta.com/experiences/nightclub-simulator-vr/5332536576829015/", "Discord invite URL mismatch");
+        assert(a.getAttribute("href") === "https://vr.meta.me/s/2dIeMkLdW5vxXjB", "Discord invite URL mismatch");
       });
       test("Background image style applied", () => {
         const bg = getComputedStyle(document.body).backgroundImage;