Update centrifugo-config.json and smoke_test.dart

centrifugo-config.json

@@ -1 +1,23 @@
-{}
+{
+  "admin": true,
+  "admin_insecure": true,
+  "namespaces": [
+    {
+      "name": "public",
+      "presence": true,
+      "join_leave": true,
+      "force_push_join_leave": true,
+      "history_size": 10,
+      "history_ttl": "300s",
+      "force_recovery": true,
+      "allow_subscribe_for_client": true,
+      "allow_subscribe_for_anonymous": true,
+      "allow_publish_for_subscriber": true,
+      "allow_publish_for_anonymous": true,
+      "allow_history_for_subscriber": true,
+      "allow_history_for_anonymous": true,
+      "allow_presence_for_subscriber": true,
+      "allow_presence_for_anonymous": true
+    }
+  ]
+}

test/smoke/smoke_test.dart

@@ -8,7 +8,7 @@ void main() {
       final client = Spinify();
       await client.connect(url);
       expect(client.state, isA<SpinifyState$Connected>());
-      await client.ping();
+      //await client.ping();
       //await client.send(utf8.encode('Hello, Spinify!'));
       await client.disconnect();
       expect(client.state, isA<SpinifyState$Disconnected>());