- Added OIDC standard types for ID Token and User Info, improving compliance with OpenID Connect specifications.
- Updated the Provider struct to support user info source types, allowing retrieval from endpoints, ID tokens, or access tokens.
- Enhanced the authback and user info retrieval functions to handle cached user data and improve error management.
- Introduced new utility functions for managing user info mapping and merging cached data, streamlining the user information processing flow.
- Removed unused OAuth response structures to streamline the codebase.
- Improved the authback function to handle redirect URIs and provider retrieval more effectively, enhancing error responses for invalid requests.
- Updated the getOAuthAuthorizationURL function to include better handling of provider configurations and session state management.
- Introduced a new function to normalize expiration formats for client secrets, ensuring consistent duration handling across providers.
