- Implemented endpoints to update and delete GitHub apps in the GithubController.
- Added OpenAPI annotations for the new endpoints, including request and response specifications.
- Removed the 'is_public' field from the app creation and update processes, defaulting it to false.
- Enhanced validation for update requests to ensure proper data handling.
- Implemented a new GithubController with endpoints to create GitHub apps, load repositories, and fetch branches for a given repository.
- Added OpenAPI annotations for API documentation.
- Included validation for incoming requests and error handling for various scenarios.