Update index.html

Added "Cow and Bull Game" to the home page.

index.html

@@ -1132,7 +1132,18 @@ <h3 class="card-heading">Lorem Ipsum Generator</h3>
                 </div>
             </a>
 
-
+            <!-- Cow and Bull Game -->
+            <a href="./projects/Cow and Bull Game/index.html" class="card" target="_blank">
+                <div class="card-cover counter-cover-colour">
+                    <img src="./assets/image/cow.png" alt="">
+                </div>
+                <div class="card-content">
+                    <h3 class="card-heading">Cow and Bull Game</h3>
+                    <p class="card-description">
+                        A classic number-guessing game.
+                    </p>
+                </div>
+            </a>
 
         <a href="projects\Whack a mole\index.html" class="card">
             <div class="card-cover">
@@ -2497,4 +2508,4 @@ <h2> Have a Feedback? &nbsp;&nbsp; <a href="feedback.html" target="_blank">Click
     <script src="./js/app.js"></script>
 </body>
 
-</html>
+</html>