first commit

lib/data/services/websocket_client.dart

@@ -0,0 +1,10 @@
+import 'package:web_socket_channel/web_socket_channel.dart';
+
+class WebsocketClient {
+  static const String _host = "ws://bal.ninjdai.fr:3000";
+
+  Stream<dynamic> connect() {
+    final channel = WebSocketChannel.connect(Uri.parse("$_host/ws"));
+    return channel.stream;
+  }
+}