- Introduced `secrets` command for managing function secrets, including set, list, and delete operations.
- Added `triggers` command for managing PubSub triggers associated with functions, allowing addition, listing, and deletion of triggers.
- Implemented API handlers for secrets management, including setting, listing, and deleting secrets.
- Updated serverless handlers to support new secrets and triggers functionalities.
- Enhanced tests for the new features, ensuring proper functionality and error handling.
