Add intel arc support based on https://github.com/comfyanonymous/ComfyUI/pull/3439

[yoland68]

Based on the PR: https://github.com/comfyanonymous/ComfyUI/pull/3439

1. Download and Install Anaconda
2. Launch anaconda prompt
3. Create an anaconda environment

conda create -n comfyui python=3.10
conda activate comfyui
conda install libuv
python -m pip install mkl mkl-dpcpp

This is the command to install torch and Intel-extension-for-pytorch

python -m pip install torch==2.1.0.post2 torchvision==0.16.0.post2 torchaudio==2.1.0.post2 intel-extension-for-pytorch==2.1.30 --extra-index-url https://pytorch-extension.intel.com/release-whl/stable/xpu/us/