clean code

code.backup/__main__.py

code.backup/detector.py

code.backup/videocapture.py

config/config_jetson.yaml

config/config_laptop.yaml

demo/__main__.py

demo/code_new/__main__.py

demo/code_new/detector.py

demo/code_new/tools.py

demo/code_new/videocapture.py

demo/detector.py

demo/model/model_demo_openvino_model/metadata.yaml

demo/model/model_demo_openvino_model/yolov8n_demo.bin

demo/model/model_demo_openvino_model/yolov8n_demo.xml

demo/model/yolov8n_demo.onnx

demo/tools.py

demo/videocapture.py