Live prediction feedback for level 2

[andrew-farrell-101]

When the user is spelling out words and phrases, it will be helpful for the model to show what it is thinking and when. For this reason, a visaul aid should be added which shows live predictions with their confidence levels. This could be all predictions or even just the top 3 or 5.

[andrew-farrell-101]

Predictions are now represented with green and red bars, though the exact numerical scores are not yet shown.