magic mesh surface mode setting

resources/settings/fdmprinter.json

@@ -1273,6 +1273,13 @@
             "visible": true,
             "icon": "category_blackmagic",
             "settings": {
+                "magic_mesh_surface_mode": {
+                    "label": "Surface Mode",
+                    "description": "Print the surface instead of the volume. No infill, no top/bottom skin, just a single wall of which the middle coincides with the surface of the mesh.",
+                    "type": "boolean",
+                    "default": false,
+                    "visible": false
+                },
                 "magic_spiralize": {
                     "label": "Spiralize Outer Contour",
                     "description": "Spiralize smooths out the Z move of the outer edge. This will create a steady Z increase over the whole print. This feature turns a solid object into a single walled print with a solid bottom. This feature used to be called ‘Joris’ in older versions.",