Add project cards for micro:bit projects

Author: microbitcoder652

index.md

@@ -12,3 +12,10 @@ Check out my micro:bit projects and coding adventures.
   <p>> Welcome to Arya’s Lab...</p>
   <p>> Building with micro:bit magic.</p>
 </div>
+
+<div class="project-cards">
+  <a href="https://github.com/microbitcoder652/microbit-v2-micro-chat" class="card">Micro Chat</a>
+  <a href="https://github.com/microbitcoder652/microbit-flappy-bird" class="card">Flappy Bird</a>
+  <a href="https://github.com/microbitcoder652/microbit-v2-outdoor-kit" class="card">Outdoor Kit</a>
+</div>
+