…iting of files.

…e it exists.

- Refactored the code to load all language JSON files into memory once, reducing redundant file access.
- Improved translation lookup efficiency by using a dictionary for language data, resulting in faster processing of keys.
- Enhanced overall script performance, especially beneficial for larger datasets

- Added a check to ensure the 'jsons' folder exists, exiting with an error message if it is missing.

- Implemented a try-except block for loading 'en-US.json' to catch FileNotFoundError.
- Added a user-friendly error message to indicate if the base language file is missing.

- Changed variable name from 'file' to 'base_language_data' for better readability and to clearly indicate its purpose.