const fields: IField[] = [
  {
    type: "input", // required
    name: "name-field-range", // required
    value: 50, // default value
    attributes: {
      type: "range", // required
      id: "id-field-range", // required
      classes: ["form-control"], // optional
      label: "Label field range", // optional
      min: 0, // required
      max: 100, // required
      step: 10 // required
    }
  }
];