move to standard linter for simpler configuration

src/editor/locale/lang.be.js

@@ -203,7 +203,7 @@ export default {
     snapping_onoff: 'Snapping on/off',
     snapping_stepsize: 'Snapping Step-Size:',
     grid_color: 'Grid color',
-    done: "Done",
+    done: 'Done',
     change_xxx_color: 'Change xxx color',
     pick_paint_opavity: 'Pick a {{newValue}} Paint and Opacity',
     open_color_picker: 'Click To Open Color Picker',
@@ -288,4 +288,4 @@ export default {
     editorPreferencesMsg: 'By default and where supported, SVG-Edit can store your editor preferences and SVG content locally on your machine so you do not need to add these back each time you load SVG-Edit. If, for privacy reasons, you do not wish to store this information on your machine, you can change away from the default option below.',
     source_dialog_note: 'Copy the contents of this box into a text editor, then save the file with a .svg extension.'
   }
-};
+}