message: Add ON_NWNX_LOADED signal.
diff: @@ -553,6 +553,7 @@ void NWNXCore::CreateServerHandler(CAppManager* app)
  g_core->InitialSetupPlugins();
  g_core->InitialSetupResourceDirectories();
  g_core->InitialSetupCommands();
  + MessageBus::Broadcast("NWNX_CORE_SIGNAL", { "ON_NWNX_LOADED" });
  }
  catch (const std::runtime_error& ex)
  {
  