This adds some functionality to Cloudflare's Turnstile captcha option added to XenForo 2.2.12.
IMPORTANT for existing users: The new Turnstile functions require a new permission for the API Token you use. You can go to your
Cloudflare API Tokens, edit the token you have and
add the Account.Turnstile: Edit permission.
One-click Turnstile site creation
You can automatically set up Turnstile for your site...