- Created project_stats.py to generate detailed statistics including file counts, code metrics, documentation stats, and project health assessment.
- Implemented methods for file, code, documentation, data, and git statistics.
- Added functionality to save statistics to a JSON file and print a summary report.

chore: Initialize project metadata and dependencies

- Added pyproject.toml for project configuration and dependency management.
- Created requirements-dev.txt for development dependencies.
- Updated setup.py for project initialization and environment setup.

refactor: Enhance module structure and documentation

- Updated __init__.py to include package metadata and author information.
- Added detailed docstrings to all modules including arxiv_fetcher.py, data_processor.py, llm_analyzer.py, and utils.py.
- Improved error handling and logging across modules.

test: Implement API connectivity tests

- Created test_api.py to test connectivity with LLM services like DeepSeek and HEPAI.
- Ensured API configurations are correct and services are available.