BEE-spoke-data/flan-v2-hf

flan-v2: hf datasets format https://hf.co/datasets/philschmid/flanv2 directly loaded into hf datasets parquet files for easier streaming, etc. [!NOTE] There are two other configs besides the default, en-targets and targets-3w en-targets: the targets column filtered with fasttext-langdetect for en and score >= 0.65 targets-3w: the targets column filtered for 3 or more words