Breaking websocket functionality out into its own module

side-node/src/websocket/mod.rs

@@ -0,0 +1,13 @@
+use websockets::WebSocket;
+
+pub(crate) async fn start() -> Result<(), websockets::WebSocketError> {
+    let mut ws = WebSocket::connect("ws://localhost:8080/").await?;
+
+    ws.send_text("foo".to_string()).await?;
+    // ws.receive().await?;
+    // ws.close(None).await?;
+    loop {
+        let msg = ws.receive().await?;
+        println!("Received: {:?}", msg);
+    }
+}