Initial implementation: Chatterbox TTS with ROCm and Wyoming

Wyoming-only server built around the official chatterbox TTS model.
Includes ROCm/AMD GPU support, sentence-level streaming, config.yaml
management, and Gitea CI for container builds.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

requirements-rocm.txt

@@ -0,0 +1,17 @@
+# Audio processing
+numpy
+soundfile
+librosa
+
+# ML dependencies (pinned to match chatterbox without overwriting ROCm torch)
+transformers==4.46.3
+diffusers==0.29.0
+safetensors
+huggingface-hub
+accelerate
+
+# Wyoming protocol
+wyoming>=1.5.4
+
+# Config / utilities
+PyYAML>=6.0