* add multi-scale test

* add resnet34-fpn-mstest item in model zoo

* update pptracking modelzoo readme

* fix cfg, test=document_fix

* fix label_list for mot, add warnings

* add result txt format, test=document_fix

* fix readme of mtmct, fix paddle.disable_static, test=document_fix

* remove paddle api

* unstructured prune for picodet

* update tinypose readme

* add tinypose link in keypoint introduction, test=document_fix

* Update README.md

* add mainbody config

* fix problem of s2anet while deploying

* correct problem of s2anet TestReader

* add dota default category

* fix mtmct deploy

* add enable_static

* add mtmct aic_vehicle baseline

* fix clip_bbox, add coco model filter, fix some bugs

* fix infer bugs, fix crops and mtmct vis

* fix engine tracker infer

* fix mtmct images deploy

* fix readme and cfg

* remove mtmct of cfg modeling and tracker

* fix doc cfg

* clean mot readme modelzoo

* add pptracking link

* fix table in README

* update table

* fix format

* polish

* polish

* fix Momentum and label list

* fix export of mcfairmot

* update benchmark case

* update benchmark case

* update benchmark case,test=document_fix

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

* update picodet readme

* add doc & move code to cpp

* add check for track_model and det_model