fix: add install.py to prevent omnivoice from overwriting ComfyUI's torch

requirements.txt

@@ -1 +1,3 @@
-omnivoice
+# Dependencies are managed by install.py to avoid overwriting ComfyUI's torch.
+# omnivoice pins torch==2.8.* (CUDA 12.8) which would break ComfyUI's torch build.
+# Do not add omnivoice here — install.py handles it with --no-deps.