docs: private void createIndexHTML(String siteRoot) throws CmsIllegalArgumentException, CmsException {
  
          if (!m_cms.existsResource(siteRoot + INDEX_HTML)) {
              //Create index.html
              I_CmsResourceType containerType = OpenCms.getResourceManager().getResourceType(
                  org.opencms.file.types.CmsResourceTypeXmlContainerPage.RESOURCE_TYPE_NAME);
              m_cms.createResource(siteRoot + INDEX_HTML, containerType);
          }
      }