move folder creation code to a dedicated function

scripts/create_folders_and_variables_if_not_exists.py

@@ -31,7 +31,7 @@ def create_folder_if_not_exists(pathname: Path | str):
     assert current_pathname.is_dir()
 
 
-if __name__ == '__main__':
+def run_folder_creation():
     folders_string = os.getenv("FOLDERS_MAP")
     try:
         folders_dict = json.loads(folders_string)
@@ -48,4 +48,8 @@ if __name__ == '__main__':
         logging.info("double check your variables, e.g. for mispelling like 'FOLDER_MAP' instead than 'FOLDERS_MAP'...")
         for k_env, v_env in dict(os.environ).items():
             print(f"{k_env}, v_env:{v_env}.")
-            logging.info(f"{k_env}, v_env:{v_env}.")
+            logging.info(f"{k_env}, v_env:{v_env}.")
+
+
+if __name__ == '__main__':
+    run_folder_creation()