Add new PubSub cfg to DSQA

At least the server address (port) needs to be exposed

src/DataStreamSuite/DataStreamQueryAnalyzer/Program.cs

@@ -23,7 +23,8 @@ static class Program {
       async Task<int> RunAsync(DataStreamQueryAnalyzerConfig cfg) {
          try {
             cfg.MergeWithConfigFile();
-            PubSubConfig.SetGlobalConfig(PubSubConfig.Default());
+            cfg.MergeWith(DataStreamQueryAnalyzerConfig.Default());
+            PubSubConfig.SetGlobalConfig(Log.notnull(cfg.PubSub));
             Configuration.initialize(cfg.Sparkd);
             Log.Gen.info("Starting DataStreamQueryAnalyzer");
             var service_ctx = ServiceContext.create(cfg.Sparkd);