Range

Check the settings Schema and add the following inside the Settings object.

//settings: {
{
  "key": {
    "type": "range",
    "label": {
      "ar": "العنوان",
      "en": "text"
    },
    "info": {
      "ar": "نص توضيحي",
      "en": "info text"
    }
  },
  "minimum": 5,
  "maximum": 60,
  "step": 5
}
//}