GitLab

- Rename transfer fields for clarity and introduce separate methods for reporting non-P2P and P2P transfers.
- Add new P2P fields extraction and sorting logic to improve data presentation.
- Update method names and comments for better understanding of functionality.

- Introduce `rccl_log_parser.py` for parsing RCCL logs, extracting system information, user-defined environment variables, graph info, and transfer arguments.
- Add usage examples in `README.md` for running the parser as a wrapper and processing existing log files.