added my game in index.html file

Author: tanyagupta01

30DaysOfJavaScript/assets/123-Reverse Memory Game.png

@@ -1514,6 +1514,20 @@ <h4>Lights Out</h4>
       <a href="https://github.com/swapnilsparsh/30DaysOfJavaScript/tree/master/122%20-%20Lights%20Out" target="_blank"><button class="button">Github</button></a>
     </div>
   </div>
+
+  <div class="maincard">
+    <div class="card1">
+      <img src="30DaysOfJavaScript/assets/123-Reverse Memory Game.png" alt="Reverse Memory Game">
+    </div>
+    <div class="card">
+      <h4>Reverse Memory Game</h4>
+      <p>
+        A fun and challenging memory game where you must recall a sequence of colors in reverse order.
+      </p>
+      <a href="123-Reverse Memory Game/index.html" target="_blank"><button class="button">Live</button></a>
+      <a href="https://github.com/swapnilsparsh/30DaysOfJavaScript/tree/master/123-Reverse%20Memory%20Game" target="_blank"><button class="button">Github</button></a>
+    </div>
+  </div>
 </div>