code: async function renderString(templateString, data = {}, keepAlive = false) {
    await prep(keepAlive);
    const results = await twigRenderer.renderString(templateString, data);
    // console.log({ results });
    return results;
  }
docs: Render Twig String
  @param {string} templateString - String that is a Twig template (i.e. `<p>{{ text }}</p>`)
  @param {Object} data - Optional data to pass to template
  @param {Boolean} keepAlive - Optionally tell the Twig renderer service to keep alive to help speed up requests
  @return {Promise<{{ ok: boolean, html: string, message: string}}>} - Results of render