* add d2s train for slanet and v3

* fix bug

* udpate tipc to_static

* update db

* remove_print

* update benchmark_train.sh

* update maybe_download_params

* add d2t train support of svtr

* add d2s train for slanet and v3

* fix bug

* udpate tipc to_static

* update db

* remove_print

* update benchmark_train.sh

* update maybe_download_params

* add d2s train for slanet and v3

* fix bug

* Add custom detection and recognition model usage instructions in re

* update

* Add custom detection and recognition model usage instructions in re

* add db net for benchmark

* rename benckmark to PaddleOCR_benchmark

* add addict to req

* rename

* add table master benckmark

* support tablemaster d2s train

* fix piecewise boundaries and droppath dtype

* fix tipc piecewise boundaries and droppath dtype

* fix serving stop

* rm --force-install