Step 4: Add an Target-Action to the stepper

- Create a target-action for when the score stepper value changes
- Add self as target for the control event UIControlEventValueChanged to the score stepper
- In the target-action method capture the value of the stepper
- Get the label from the array of labels that is at the index matching the tag of stepper
- Update the text of the label to match the value of the stepper

Signed-off-by: Taylor Mott <trm36@humboldt.edu>