tts: add speaker file support (#12048)
* tts: add speaker file support
Signed-off-by: dm4 <sunrisedm4@gmail.com>
* tts: handle outetts-0.3
* tts : add new line in error message
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Signed-off-by: dm4 <sunrisedm4@gmail.com>
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>