docs: public static Mail buildDynamicTemplate() throws IOException {
      Mail mail = new Mail();
  
      Email fromEmail = new Email();
      fromEmail.setName("Example User");
      fromEmail.setEmail("test@example.com");
      mail.setFrom(fromEmail);
  
      mail.setTemplateId("d-c6dcf1f72bdd4beeb15a9aa6c72fcd2c");
  
      Personalization personalization = new Personalization();
      personalization.addDynamicTemplateData("name", "Example User");
      personalization.addDynamicTemplateData("city", "Denver");
      personalization.addTo(new Email("test@example.com"));
      mail.addPersonalization(personalization);
      
      return mail;
    }