Features
- doc: add MacOS example to README.md (#145) #145 (Roberto)
- add Korean (ko-KR) voice and update documentation (#143) #143 (Siyeong Jang)
Bug Fixes
- speed of default
en, rate config for others (#144) #144 (Peter Feerick)
Chores
- doc: add mention of some other generation options (#141) #141 (Peter Feerick)
- add ko to sounds.json (Peter Feerick)