feat(SyncExternalStore): Add StatefulSyncExternalStore to extend and provide structure#499

mmcxii wants to merge 1 commit intouse-sync-external-storesnowcoders/react-context-store:use-sync-external-storefrom

mmcxii/stateful-sync-external-storesnowcoders/react-context-store:mmcxii/stateful-sync-external-storeCopy head branch name to clipboard