OpenOCR-develop

OpenOCR det model: openocr_det_repvit_ch.pth (mobile), configs/det/dbnet/repvit_db.yml
OpenOCR rec model: openocr_det_svtrv2_ch.pth (server), configs/rec/svtrv2/svtrv2_ch.yml
OpenOCR rec model: openocr_det_repsvtr_ch.pth (mobile), configs/rec/svtrv2/repsvtr_ch.yml

OCR_e2e_img.tar for demo_gradio.py