Feature request - new TTS Engines

[klimkin-vlad]

Could you add these engines?
Silero TTS: https://github.com/snakers4/silero-models (Many unique languages, unique Russian voices).
Vosk TTS: https://github.com/alphacep/vosk-tts (high-quality fast Russian TTS engine).

[mkiol]

Good suggestions. I will look into it. Thanks!