Added better logging and websocket, more readme details

backend/routes/ws.dart

@@ -0,0 +1,9 @@
+import 'package:dart_frog/dart_frog.dart';
+import 'package:dart_frog_web_socket/dart_frog_web_socket.dart';
+
+Future<Response> onRequest(RequestContext context) async {
+  final handler = webSocketHandler((channel, protocol) {
+    channel.stream.listen(print);
+  });
+  return handler(context);
+}