transformers gguf mixtral text-generation dataset:databricks/databricks-dolly-15k base_model:Brillibits/Instruct_Mixtral-8x7B-v0.1_Dolly15K base_model:quantized:Brillibits/Instruct_Mixtral-8x7B-v0.1_Dolly15K license:apache-2.0 text-generation-inference region:us