- Updated `fly.toml` to allow multiple CORS origins.
- Refactored CORS logic in `index.ts` to validate and support multiple origins, including handling requests with no origin.
- Updated frontend to use `https://cms.gallus-pub.ch` as the API base URL.
- Configured cookies with `SameSite=None` and `Secure` for production in `auth.ts`.
- Enhanced `fly.toml` to include `FRONTEND_URL`, `CORS_ORIGIN`, and `GITEA_REDIRECT_URI`.
- Adjusted `.gitignore` to ignore `/ai/` directory.
