Update index.html

index.html

@@ -145,17 +145,20 @@
       </div>
     </div>
 
-    <!-- Demo GIF -->
-    <!-- <div class="columns is-centered">
+    <!-- Demo Video -->
+    <div class="columns is-centered">
       <div class="column is-four-fifths">
         <div class="content has-text-centered">
-          <img src="/api/placeholder/800/400" alt="<placeholder for GIF>"/>
+          <video controls width="800" autoplay loop muted>
+            <source src="figs/demo.mp4" type="video/mp4">
+            Your browser does not support the video element.
+          </video>
           <p class="subtitle">
             Demo of Atla Selene Mini in action
           </p>
         </div>
       </div>
-    </div> -->
+    </div>
 
     <!-- Key Results -->
     <div class="columns is-centered">