add commented api endpoint

layouts/shortcodes/mt-form.html

@@ -12,6 +12,7 @@
      const age = calculate_age(birthdate);
      data.append("age", age);
 
+     /* let base = "https://api.tfcconnection.org/mt-form"; */
      let base = "http://localhost:4242/mt-form";
 
      fetch(base, {