feat: Refactor command-line argument handling and configuration loading

- Updated `coc.js` to improve command-line option parsing and configuration management.
- Introduced a new `getConfig` module to centralize configuration loading logic.
- Enhanced the `upload` command to streamline directory watching and configuration retrieval.
- Modified `execute` function to work directly with configuration repositories.
- Improved error handling and user feedback for configuration file loading.

Author: frankpagan