* add distilbert
* small fixes
* add note for LLM_ARCH_DISTIL_BERT
* Use MODEL_ARCH.BERT for DistilBert
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Co-authored-by: dinhhuy <huy.dinh@brains-tech.co.jp>
* convert: add support for BertForSequenceClassification
* add support for reranking using BertForSequenceClassification
* merge checks of eos and sep
* fix lint
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Co-authored-by: dinhhuy <huy.dinh@brains-tech.co.jp>