update readme

Author: Le0Developer

README.md

@@ -29,14 +29,18 @@ function TurnstileWidget() {
 
 Turnstile takes the following arguments:
 
-| name     | type   | description                        |
-| -------- | ------ | ---------------------------------- |
-| sitekey  | string | sitekey of your website (REQUIRED) |
-| action   | string | -                                  |
-| cData    | string | -                                  |
-| theme    | string | one of "light", "dark", "auto"     |
-| tabIndex | number |
-| id       | string | id of the div                      |
+| name              | type    | description                                   |
+| ----------------- | ------- | --------------------------------------------- |
+| sitekey           | string  | sitekey of your website (REQUIRED)            |
+| action            | string  | -                                             |
+| cData             | string  | -                                             |
+| theme             | string  | one of "light", "dark", "auto"                |
+| tabIndex          | number  | -                                             |
+| responseField     | boolean | controls generation of `<input />` element \* |
+| responseFieldName | string  | changes the name of `<input />` element \*    |
+| id                | string  | id of the div                                 |
+| className         | string  | passed to the div                             |
+| style             | object  | passed to the div                             |
 
 And the following callbacks:
 
@@ -45,6 +49,11 @@ And the following callbacks:
 | onVerify | token     | called when challenge is passed (REQUIRED) |
 | onLoad   | -         | called when the widget is loaded           |
 | onError  | error     | called when an error occurs                |
-| onExpire | -         | called when the challenge expires          |
+| onExpire | -         | called when the challenge expires \*\*     |
+
+
+\* responseField and responseFieldName are experimental and not yet documented.
+
+\*\* `onExpire` is called when the Turnstile challenge expires without creating a token.
 
 For more details on what each argument does, see the [Cloudflare Documentation](https://developers.cloudflare.com/turnstile/get-started/client-side-rendering/#configurations).