add TTS Generation WebUI

[rsxdalv]

https://github.com/rsxdalv/tts-generation-webui

Supports these models:

Text-to-speech	Audio/Music Generation	Audio Conversion/Tools
Bark	MusicGen	RVC
Tortoise	MAGNeT	Demucs
Maha TTS	Stable Audio	Vocos
MMS	(Extension) Riffusion	Whisper
Vall-E X	(Extension) AudioCraft Mac	AP BWE
StyleTTS2	(Extension) AudioCraft Plus	Resemble Enhance
SeamlessM4T		Audio Separator
(Extension) XTTSv2
(Extension) MARS5
(Extension) F5-TTS
(Extension) Parler TTS
(Extension) OpenVoice
(Extension) OpenVoice V2
(Extension) Kokoro TTS
(Extension) DIA
(Extension) CosyVoice
(Extension) GPT-SoVITS
(Extension) Piper TTS
(Extension) Kimi Audio 7B Instruct
(Extension) ACE-Step