- created a new category in Preferences where only the Engraving Related preferences are located

- added a new set of options in the Preferences for the Milling Plugin by taking them out of the Geometry section

appGUI/preferences/tools/ToolsLevelPrefGroupUI.py

@@ -14,10 +14,10 @@ if '_' not in builtins.__dict__:
 
 class ToolsLevelPrefGroupUI(OptionsGroupUI):
     def __init__(self, decimals=4, parent=None):
-        # OptionsGroupUI.__init__(self, "Cutout Tool Options", parent=parent)
+        # OptionsGroupUI.__init__(self, "Cutout Plugin", parent=parent)
         super(ToolsLevelPrefGroupUI, self).__init__(self, parent=parent)
 
-        self.setTitle(str(_("Levelling Tool Options")))
+        self.setTitle(str(_("Levelling Plugin")))
         self.decimals = decimals
 
         # ## Board cuttout