* add quick start for community

* Update quick_start_professional.md

* Update, test=document_fix

* Add the usage hint about Transformers series models, test=document_fix

* support bs>1

* Support Visual DL

* Fix VDL

* Add doc of VDL, test=document_fix

* Add the en doc of VDL, test=document_fix
Co-authored-by: Nlittletomatodonkey <2120160898@bit.edu.cn>

Fix a spelling error in the "5.2 Cutmix" document.
`rom ppcls.data.imaug import DecodeImage` to `from ppcls.data.imaug import DecodeImage`

* Add RepVGG models

* Update model code

* Rename code

* format code

* add README of RepVGG

* add faq

* add pngs

* fix mainpage

* fix faq

* update configs of ViT and DeiT

* update readme of DeiT models

* update readme of DeiT models

* update readme of DeiT models

* update README of ViT models

* Update the discription about ViT and DeiT

* Fix the error file

* Unified data format