message: add string to authenticate
diff: @@ -49,7 +49,7 @@ declare namespace auth{
  //TODO: move this for hook project
  interface DefaultHooks {
  - authenticate(strategies: string[]): Hook;
  + authenticate(strategies: string[] | string): Hook;
  /**
  * The `verifyToken` hook will attempt to verify a token.
  * If the token is missing or is invalid it returns an error.
  