ci: add pyproject.toml for ComfyUI registry

Sets publisher ID, display name, and package metadata required
for Comfy-Org/publish-node-action.

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

pyproject.toml

@@ -0,0 +1,10 @@
+[project]
+name = "comfyui-omnivoice"
+description = "ComfyUI nodes for OmniVoice — multilingual zero-shot TTS with voice cloning, voice design, EPUB loading, and voice mixing."
+version = "1.0.0"
+license = { file = "LICENSE" }
+
+[tool.comfy]
+PublisherId = "ethanfel"
+DisplayName = "ComfyUI-Omnivoice"
+Icon = ""