Update solana-pay.mdx

Author: yashovardhan

src/pages/guides/solana-pay.mdx

@@ -36,6 +36,18 @@ For those who want to skip straight to the code, you can find the complete imple
 in our
 [GitHub repository](https://github.com/Web3Auth/web3auth-examples/tree/main/other/solana-pay-example).
 
+This guide follows the implementation demonstrated in our livestream:
+
+<iframe
+  width="560"
+  height="315"
+  src="https://www.youtube.com/embed/_wRWlUWpBng"
+  title="Web3Auth Solana Pay Integration Livestream"
+  frameBorder="0"
+  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
+  allowFullScreen
+></iframe>
+
 ## How to set up Web3Auth Dashboard
 
 If you haven't already, sign up on the Web3Auth platform. It is free and gives you access to the