Update index.html

Author: CodePearly

index.html

@@ -147,6 +147,7 @@ <h2>About</h2>
             <li><p>Pong (2 players)</p></li>
             <li><p>Snake</p></li>
             <li><p>Tetris</p></li>
+            <li><p>Flappy Bird</p></li>
         </ul>
     </section>
     <section id="releases">