GODT-919 GODT-1022 GODT-947 Logs and signals

+ Added startup logs
+ Added wait group for update notifications
+ Changed hooks in debug and trace level

internal/frontend/qt/frontend_nogui.go

@@ -48,6 +48,9 @@ func (s *FrontendHeadless) NotifyManualUpdate(update updater.VersionInfo, canIns
 	// NOTE: Save the update somewhere so that it can be installed when user chooses "install now".
 }
 
+func (s *FrontendHeadless) WaitUntilFrontendIsReady() {
+}
+
 func (s *FrontendHeadless) SetVersion(update updater.VersionInfo) {
 }