* Replace `bigdl-nano-init` with `bigdl-llm-init`. * Install `bigdl-llm` instead of `bigdl-nano`. * Remove nano in README.
* Support directly loading GPTQ models from huggingface * fix style * fix tests * change example structure * address comments * fix style * init * address comments * add examples * fix style * fix style * fix style * fix style * update * remove * meet comments * fix style --------- Co-authored-by: Yang Wang <yang3.wang@intel.com>