Added Sarvam TTS Websocket Implementation (#2356)

* Added Sarvam TTS Websocket Implementation

* Addressed some of the comments on PR

* added change voice logic

* added changes from main

* pushing text frames and added flush audio

* updated docs string for better docs

* Addressed comments and added some improvements

* pushed optional args down

* removed new line

* made aiohttp session mandatory in http service

* added push frame and removed unused function

* removed pong message

* added disconnecting logic

---------

Co-authored-by: vinayak-sarvam <vinayak@sarvam.ai>

pyproject.toml

@@ -90,6 +90,7 @@ rime = [ "websockets>=13.1,<15.0" ]
 riva = [ "nvidia-riva-client~=2.21.1" ]
 runner = [ "python-dotenv>=1.0.0,<2.0.0", "uvicorn>=0.32.0,<1.0.0", "fastapi>=0.115.6,<0.117.0", "pipecat-ai-small-webrtc-prebuilt>=1.0.0"]
 sambanova = []
+sarvam = [ "websockets>=13.1,<15.0" ]
 sentry = [ "sentry-sdk~=2.23.1" ]
 local-smart-turn = [ "coremltools>=8.0", "transformers", "torch>=2.5.0,<3", "torchaudio>=2.5.0,<3" ]
 remote-smart-turn = []