Update app.py

app.py

@@ -41,7 +41,7 @@ html = """
     <button onclick="sendMessage()">Send</button>
 
     <script>
-        let ws = new WebSocket("ws://chris4k-a-i-statemachine.hf.space/ws");
+        let ws = new WebSocket("wss://chris4k-a-i-statemachine.hf.space/ws");
 
         ws.onmessage = (event) => {
             let chatbox = document.getElementById("chatbox");