Option to edit MUSHRA scale from 0-100 to 0-n

[w4iei]

I wish to change the scale from 0-100 to 0-6 when judging multiple versions of the same audio task. 0-100 introduces a false sense of granularity that doesn't always generalize clearly across participants.

[Fabian-Robert Stöter]

Have a look at this issue #69

[w4iei]

Thanks Fabian-Robert. This is helpful but only half of the solution. I would like a radio button style slider.

[Fabian-Robert Stöter]

I guess you can also change the slider step values to achieve the same.

In any case this wouldn't be a "mushra compatible" UI so it would
Be better to add this in a fork.