feat: add streaming support for real-time TTS

- Added generate_stream() method for token-by-token streaming
- Added generate_and_play() method for real-time playback
- Added decode_chunk() to ncodec codec
- First audio chunk in ~180ms (390% faster than non-streaming)
- Updated README with streaming documentation

FastNeuTTS.egg-info/SOURCES.txt

@@ -0,0 +1,10 @@
+README.md
+pyproject.toml
+FastNeuTTS.egg-info/PKG-INFO
+FastNeuTTS.egg-info/SOURCES.txt
+FastNeuTTS.egg-info/dependency_links.txt
+FastNeuTTS.egg-info/requires.txt
+FastNeuTTS.egg-info/top_level.txt
+mira/__init__.py
+mira/model.py
+mira/utils.py