* Update the model to handle new changes to schema based on https://github.com/modelcontextprotocol/registry/pull/33
* Made the import script a little simpler.
* Add a new updated seed file
* update template mcp.json file for publisher
- Added authentication service and GitHub OAuth integration.
- Introduced new authentication methods and structures in the model.
- Updated the API to handle authentication during the publishing process.
- Created handlers for starting and checking the status of the OAuth flow.
- Enhanced the publish handler to validate authentication credentials.
- Updated configuration to include GitHub OAuth settings.
- Added tests for the OAuth flow and publishing with authentication.
- Updated documentation to reflect changes in the API and authentication process.
