fix(GOFF): Adding missing exports for GO Feature Flag server Provider (#1417)

Signed-off-by: Thomas Poignant <[email protected]>
Signed-off-by: Thomas Poignant <[email protected]>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: thomaspoignant

libs/providers/go-feature-flag/src/index.ts

@@ -1 +1,6 @@
 export * from './lib/go-feature-flag-provider';
+export type { GoFeatureFlagProviderOptions } from './lib/go-feature-flag-provider-options';
+export { EvaluationType } from './lib/model/evaluation-type';
+export { ExporterMetadata } from './lib/model/exporter-metadata';
+export * from './lib/exception';
+export { type FetchAPI, isomorphicFetch } from './lib/helper/fetch-api';