feat(auth): add WorkOS and Keycloak SSO providers (rebased) (#220)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

packages/auth/src/index.ts

@@ -1 +1,12 @@
 export { createAuth, type Auth, type AuthConfig } from './auth.js';
+export {
+  buildGenericOidcProviderConfigs,
+  buildSsoDiscovery,
+  listSsoStartupWarnings,
+  type GenericOidcProviderConfig,
+  type SsoLoginMode,
+  type SsoProtocol,
+  type SsoProviderDiscovery,
+  type SsoTeamSyncConfig,
+  type SupportedSsoProviderId,
+} from './sso.js';