added advertisement for the challenge and contributions

index.html

@@ -373,6 +373,16 @@ <h2 class="fade-in">Leaderboard</h2>
                 </tbody>
             </table>
         </p>
+        <div class="feature-grid">
+            <div class="feature-item fade-in">
+                <h3>Contribute</h3>
+                <p><a href="mailto:[email protected]">Share your results with us</a> and contribute to the leaderboard!</p>
+            </div>
+            <div class="feature-item fade-in">
+                <h3>Challenge</h3>
+                <p>Upcoming competition in conjunciton with the <a href="https://www.edgeaifoundation.org/">Edge AI Foundation</a>!</p>
+            </div>
+        </div>
         <h2></h2>
         <h2 class="fade-in">Example Images</h2>
         <div class="image-grid">