Add menu icon

package.json

@@ -712,6 +712,12 @@
                     ],
                     "type": "bitmap"
                 },
+                {
+                    "file": "images/menu_icon.png",
+                    "name": "MENU_ICON",
+                    "menuIcon": true,
+                    "type": "bitmap"
+                },
                 {
                     "characterRegex": "[:0-9]",
                     "file": "fonts/RetroComputerTime.ttf",