Kashgari

- 🐛 Fixed Custom Model load issue.
- 🐛 Fixed model save issue on Windows.
- 🐛 Fixed multi-label model load issue.
- 🐛 Fixed CRF model load issue.
- 🐛 Fixed TensorFlow 2.3+ Support.

- ✨ Add `convert_to_saved_model` API for tf-serving use case.
- ✨ Add tf-serving documents.

This is a fully re-implemented version with TF2.

- ✨ Embeddings
- ✨ Text Classification Task
- ✨ Text Labeling Task
- ✨ Seq2Seq Task
- ✨ Examples
- ✨ Neural machine translation with Seq2Seq
- ✨ Benchmarks

- 🐛 Fix transformer embedding error, loaded custom objects. ([358])

- 🐛Fix bert embedding v2 error, set default to not-trainable.

- 🐛 Fixing vocab_path typo.