add conversion to rockchip

exports/rockchip.py

@@ -0,0 +1,7 @@
+from ultralytics import YOLO
+
+
+def export_rknn(model_path):
+    model = YOLO(model_path)
+    model.export(format="rknn", name="rk3588")
+    pass

train.py

@@ -20,6 +20,7 @@ from constants import (processed_images_dir,
                        prefix, date_format,
                        datasets_dir, models_dir,
                        corrupted_images_dir, corrupted_labels_dir, sample_dir)
+from exports.rockchip import export_rknn
 from security import Security
 from utils import Dotdict
 
@@ -207,6 +208,7 @@ def convert2rknn():
     model.export(format="onnx")
     pass
 
+
 def form_data_sample(size=300):
     images = []
     with scandir(processed_images_dir) as imd: