Add script to create videos for speaking questions.

helper/file_helper.py

@@ -9,8 +9,9 @@ def delete_files_older_than_one_day(directory):
     for entry in os.scandir(directory):
         if entry.is_file():
             file_path = Path(entry)
+            file_name = file_path.name
             file_modified_time = datetime.datetime.fromtimestamp(file_path.stat().st_mtime)
             time_difference = current_time - file_modified_time
-            if time_difference.days > 1:
+            if time_difference.days > 1  and "placeholder" not in file_name:
                 file_path.unlink()
                 print(f"Deleted file: {file_path}")