A rating question that permits any number of stars or half stars. Uses Font Awesome.
- The rows list must be updated with the items to rate. Each row must be numeric; if using half stars, decimal values must be allowed.
- Line 28 of the footer can be updated with the number of stars.
- Line 29 can be updated with whether half stars should be allowed.
- Lines 31-32 can be updated with how empty and half stars should be displayed.