Don't delete directories that don't exist

main.py

@@ -49,6 +49,10 @@ def delete_files_in_directory(directory_path: str) -> None:
 
     :param directory_path: Path to the directory
     """
+    if not os.path.exists(directory_path):
+        print("Tiles directory doesn't exist")
+        return
+
     if not os.path.isdir(directory_path):
         raise ValueError(f"The provided path '{directory_path}' is not a valid directory.")