Split up logger and widget

This allows us to use the logger from the wtf directory
For example when trying to debug sort ordering in focus_tracker

modules/datadog/widget.go

@@ -39,6 +39,7 @@ func NewWidget(app *tview.Application, pages *tview.Pages, settings *Settings) *
 		KeyboardWidget: wtf.NewKeyboardWidget(),
 		TextWidget:     wtf.NewTextWidget(app, settings.common, true),
 
+		app:      app,
 		settings: settings,
 	}