- Renamed existing hello world endpoints to public and added a new protected endpoint with OAuth guard.
- Updated test cases to reflect the new endpoint structure and added tests for protected endpoint access with and without valid tokens.
- Enhanced response handling for public and protected endpoints to ensure consistent output and proper status codes.
- Integrated OpenAPI loading functionality into the engine's Load and Reload processes, allowing for better API management.
- Updated the OpenAPI configuration to set a default BaseURL and ensure it does not have a trailing slash.
- Implemented the Attach method to connect the OpenAPI server to the Gin router, facilitating API endpoint management.
- Removed the obsolete hello package to streamline the OpenAPI module.
