transformers gguf llama Sheared Sheared LLM en arxiv:2310.06694 base_model:princeton-nlp/Sheared-LLaMA-1.3B-ShareGPT base_model:quantized:princeton-nlp/Sheared-LLaMA-1.3B-ShareGPT license:apache-2.0 text-generation-inference region:us