feat: passthrough-props for react-google-recaptcha

Resolves #9

Author: Pyrax

src/recaptcha.js

@@ -2,12 +2,15 @@ import React from 'react'
 import { useNetlifyFormContext } from './netlify-form-context'
 import GoogleRecaptcha from 'react-google-recaptcha'
 
-export const Recaptcha = ({ siteKey = '', invisible = false }) => {
+export const Recaptcha = ({ siteKey = '', invisible = false, ...passThroughProps }) => {
   const { recaptchaRef } = useNetlifyFormContext()
 
-  return invisible ? (
-    <GoogleRecaptcha sitekey={siteKey} ref={recaptchaRef} size='invisible' />
-  ) : (
-    <GoogleRecaptcha sitekey={siteKey} ref={recaptchaRef} />
+  return (
+    <GoogleRecaptcha 
+      {...passThroughProps} 
+      sitekey={siteKey} 
+      ref={recaptchaRef} 
+      {...(invisible ? {size: 'invisible'} : {})} 
+    />
   )
 }