Docs: Update API guide with PyTorch 2.6+ compatibility notes and streaming examples

Docs: Update for Hugging Face Spaces deployment

Docs: Add streaming code example

Debug: Add logging for streaming chunks and update docs

Add Voice Management Endpoints (Upload/Delete/Rename)

Add technical explanation of streaming architecture

Add /stream endpoint and generation parameters

Update docs with full voice list

Add /voices endpoint and update docs

Update API: Add speakers directory, LFS tracking, and /speakers endpoint