transformers gguf code text-generation en dataset:bigcode/the-stack-dedup dataset:rombodawg/2XUNCENSORED_MegaCodeTraining188k dataset:bigcode/commitpackft arxiv:2108.12409 arxiv:1607.06450 arxiv:1910.07467 arxiv:1911.02150 license:bigscience-openrail-m model-index endpoints_compatible region:us