Add TTS on-demand with UI credentials, improve UI layout, and fix References removal

implements fixes

attempts to solve the api_key issue for huggingface , settings not appearing , set settings for audio , adds modal gpu , speech to text with mic input addon, adds graphs

attempts to solve the api_key issue for huggingface , settings not appearing , set settings for audio , adds modal gpu , speech to text with mic input addon, adds graphs

adds new features and graphs integration with configuration options