example: update to including logging

panels/example.py

@@ -1,4 +1,5 @@
 import gi
+import logging
 
 gi.require_version("Gtk", "3.0")
 from gi.repository import Gtk, Gdk, GLib
@@ -7,6 +8,8 @@ from ks_includes.KlippyGtk import KlippyGtk
 from ks_includes.KlippyGcodes import KlippyGcodes
 from ks_includes.screen_panel import ScreenPanel
 
+logger = logging.getLogger("KlipperScreen.ExamplePanel")
+
 def create_panel(*args):
     return ExamplePanel(*args)