message: basic ratings field
diff: @@ -89,7 +89,16 @@ const TableCell = (props: any) => {
  );
  case FieldType.rating:
  - return <Rating name="pristine" value={null} />;
  + return (
  + <Rating
  + name="pristine"
  + value={cellData}
  + precision={0.5}
  + onChange={(event, newValue) => {
  + cellActions.update(newValue);
  + }}
  + />
  + );
  default:
  return (
  <TextField
  