no compile errors, fully functional workspace indicators

include/app.hpp

@@ -4,8 +4,6 @@
 
 #include "bar/bar.hpp"
 #include "services/hyprland.hpp"
-#include "services/notifications.hpp"
-#include "services/tray.hpp"
 
 #include "glibmm/refptr.h"
 #include "gtkmm/application.h"
@@ -18,9 +16,8 @@ class App {
 
   private:
     Glib::RefPtr<Gtk::Application> app;
-    std::vector<Bar *> bars;
+    std::vector<std::shared_ptr<Bar>> bars;
     HyprlandService *hyprlandService = nullptr;
-    NotificationService notificationService;
     TrayService *trayService = TrayService::getInstance();
 
     void setupServices();