Add container to index

index.html

@@ -161,6 +161,17 @@
       </div>
     </div>
 
+    <div class="under-board-container">
+      <ins class="adsbygoogle"
+          data-ad-client="ca-pub-2670526606338388"
+          data-ad-slot="3711201455"
+          data-ad-format="auto"
+          data-full-width-responsive="false"></ins>
+      <script>
+        (adsbygoogle = window.adsbygoogle || []).push({});
+      </script>
+    </div>
+
     <p class="game-explanation">
       <strong class="important">How to play:</strong> Use your <strong>arrow keys</strong> to move the tiles. When two tiles with the same number touch, they <strong>merge into one!</strong>
     </p>