Add GPU Auto-Pause and Manual Control to TTS Service

Configure GPU hardware for TTS service - enable T4 GPU at $0.40/hour

Simplify TTS service for guaranteed HuggingFace Spaces compatibility

Fix TTS service deployment with proper HuggingFace Spaces configuration

Update TTS interface to unmute.sh minimal design - clean text synthesis only

Initial TTS GPU Service - WebRTC microservice eliminating Streamlit constraints