Added dockerfile for ROCM container build

Dockerfile

@@ -0,0 +1,7 @@
+FROM docker.io/mixa3607/pytorch-gfx906:v2.9.0-rocm-7.0.2-20251102214219
+
+WORKDIR /comfyui
+COPY ./requirements.txt ./requirements.txt
+RUN pip install -r requirements.txt
+COPY ./ ./
+ENTRYPOINT ["python", "main.py"]