Add distance functionality to node configuration and update measurement logging

src/nodeClass.js

@@ -82,6 +82,7 @@ class nodeClass {
       },
       functionality: {
         positionVsParent: uiConfig.positionVsParent || 'atEquipment', // Default to 'atEquipment' if not specified
+        distance: uiConfig.hasDistance ? uiConfig.distance : undefined
       }
     };