- Added OpenAI package to backend dependencies for AI grading.
- Implemented new grading routes and services to handle AI grading requests.
- Updated admin settings to include AI provider configuration options.
- Enhanced frontend components to support AI grading, including UI for testing AI connection and displaying AI feedback.
- Updated results component to allow for AI-assisted grading and display of suggested grades.
- Added internationalization support for new AI grading features in both English and Dutch.
