Add `text-transform` reset and `speak: none`

Status: **Ready for Review**
Reviewers: @kpeatt @ry5n 
JIRA: **n/a**

## Changes
- Added `text-transform: none`
- Added `speak: none`

## Notes
- `text-transform` is a change adopted from @ry5n's prototype
- `speak: none` is moved over from the icon stencil