Feature requests/suggestions

1. Most desired/important:
a. Please code it so speech doesn't stop when adjusting the speed during playback
b. Please add keyboard shortcuts to increase and decrease speed
2. Helpful:
a. Please allow users to set their own custom keys for the keyboard shortcuts
b. Please allow users to mark their preferred voices as 'Favorites' and group all favorites on the top of the drop-down list.
c. Please add keyboard shortcuts for changing the current voice to other voices added to the user's favorites
e.g.,
Voice1: Alt/Option + 1
Voice2: Alt/Option + 2
etc.

OR

Next favorite voice: Alt/Option + ]
Previous favorite voice: Alt/Option + [