remove fog and shadow augmentations

add install script

train.py

@@ -38,7 +38,6 @@ DEFAULT_CLASS_NUM = 80
 total_files_copied = 0
 
 def form_dataset(from_date: datetime):
-
     makedirs(today_dataset, exist_ok=True)
     images = []
     old_images = []
@@ -180,10 +179,10 @@ def train_dataset(existing_date=None, from_scratch=False):
         cur_folder = f'{prefix}{existing_date}'
         cur_dataset = path.join(datasets_dir, f'{prefix}{existing_date}')
     else:
-        if from_scratch:
-            shutil.rmtree(today_dataset)
-        form_dataset(latest_date)
-        create_yaml()
+        # if from_scratch and Path(today_dataset).exists():
+        #     shutil.rmtree(today_dataset)
+        # form_dataset(latest_date)
+        # create_yaml()
         cur_folder = today_folder
         cur_dataset = today_dataset