* add food classification module

Co-authored-by: Nhaoyuying <35907364+haoyuying@users.noreply.github.com>

* Added spinalnet gemstone classification module

* Add marine_biometrics

* Digital dial segmentation of Watermeter

* update Transformer module that can do text-matching task

* Add dataset, module task, and demo of text-matching

* do finetune text cls & ner via using embedding module

* 微博谣言预测

* 请教条

* Update module.py

* Update module.py

* Update module.py

* Update README.md

* Update README.md

* Add embedding seq-cls finetune demo and update api

* Update docs of pad_sequence and trunc_sequence

* Reset metric value at training and validation step

* Add text processing of token-cls task in predict method

* Add embedding modules

* Add the SINet_Portrait_Segmentation Module

Add the SINet_Portrait_Segmentation Module

* Update README.md

* Add the ExtremeC3_Portrait_Segmentation Module

Add the ExtremeC3_Portrait_Segmentation Module

* Update README.md

* switch to the static graph

* remove

* Update module.py
Co-authored-by: jm12138 <2286040843@qq.com>

* Add electra modules

* Amend module versions of chinese-bert-wwm, chinese-bert-wwm-ext, rbt3 and rbtl3

* Updata demo README.md

update joinus.PNG

* update get_embedding

* update get_embedding

* Add tutorial about nlp dataset customization

* Update doc and tokenizer usage in seq-cls demo

* Updata tutorial