Reorder installation steps for paddledet in docs/tutorials/INSTALL.md 

* develop -> release/2.3

* slove_readme_link_useless

Using original order will cause weird exception, like "RuntimeError..

* add faq

* Update README_cn.md

* Update FAQ-README.md

* Update FAQ第一期.md

* Rename FAQ-README.md to README.md

* Update README_cn.md

* Update FAQ第一期.md

* delete 2 files

* Delete .DS_Store

* fix use_gpu in deploy doc,  test=document_fix

* fix deploy doc, test=document_fix

* add flops

Besides removing unnecessary imports, this also fixes the missing logger module in test_architectures.py within the static directory.

* fix_install_docs

* fix_install_docs2

* add document for keypoint dataset preparation

* test=document_fix

* test=document_fix

* 关键点文档中json示例格式化显示，test=document_fix

* add doc

* add FAQ

* update doc, test=document_fix
Co-authored-by: NGuanghua Yu <742925032@qq.com>

* fix jde negative coords

* update jde model zoo

* describe format for some txt, test=document_fix

* fix mot doc

* remove image_lists, fix all mot docs, add custom data

* fix doc, test=document_fix

* fix dov

* fix doc format, test=document_fix

* update install docs

* fix slim doc,test=document_fix

* add mot data

* fix operators, source

* fix data source transform

* fix parse_dataset register_op

* fix scale_factor, RandomAffine

* add assert for check

* fix ci

* update 2.0.1

* update doc on develop, test=document_fix

* update dependency of ppdet and paddle, test=document_fix

* update docs, test=document_fix

* remove rbox-iou-ops dependence

* update install doc

* fix some docs error

* update README

* update doc, test=document_fix

* add citation

* update citation and ppyolo doc

* Add S2ANet model for Oriented Object Detection.

* add docs for custom dataset, reader and model technical

* modify docs according to review, test=document_fix

* modify READER.md, test=document_fix