- Add comprehensive evaluation functions (BLEU, ROUGE, perplexity, accuracy)
- Enhance PlaceholderModel with generate() and translate() methods
- Add tokenizer parameter support in pipelines
- Update Python version to 3.10 in mypy config
- Add mypy ignore entries for sacrebleu, rouge_score, sklearn
- Add documentation (QUICKSTART.md, ANNOTATION_GUIDELINES.md)
- Add training scripts and tokenizer vocab files
- Add model cards for documentation