feat(comfyui): add Dockerfile, playbook, and Terraform configurations for ComfyUI setup

ansible/files/dockerfiles/Dockerfile.comfyui

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+# Use NVIDIA's PyTorch image with CUDA support
+FROM docker.io/pytorch/pytorch:2.1.0-cuda11.8-cudnn8-runtime
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Install system dependencies
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && \
+    apt-get install -y tzdata git ffmpeg libgl1 libglib2.0-0 && \
+    rm -rf /var/lib/apt/lists/*
+
+ARG UID=1000
+ARG GID=1000
+RUN groupadd --system --gid ${GID} worker && \
+    adduser --system --gid ${GID} --uid ${UID} --home /home/worker worker
+
+WORKDIR /home/worker
+USER worker
+
+# Clone ComfyUI
+RUN git clone https://github.com/comfyanonymous/ComfyUI.git .
+
+# Install Python dependencies
+RUN pip install --upgrade pip && \
+    pip install -r requirements.txt && \
+    rm -rf /home/worker/.cache/pip
+
+# Expose port
+EXPOSE 8188
+
+# Run ComfyUI
+CMD ["python", "main.py", "--listen", "0.0.0.0", "--port", "8188"]
+