Support for hCaptcha

[lonn-u]

hCaptcha is a great alternative to Google for captcha. Adding hCaptcha support isn't difficult. I've done it by manually changing the SITE_VERIFY_URL constant to 'https://hcaptcha.com/siteverify' and editing the recaptchav2_html chunk to update the div class and javascript source.

If the SITE_VERIFY_URL, div class, and javascript src could be pulled from the system settings, this would make it easier to deploy.