Adds hCaptcha to the RoundCube login form
Based on: https://github.com/sjinks/roundcube_recaptcha
See "Getting Started" on https://plugins.roundcube.net/
Plugin name is "neverbehave/rc_hcaptcha"
Edit config.inc.php
file in /plugins/rc_hcaptcha:
<?php
// See https://hcaptcha.com/
$rcmail_config['hcaptcha_site_key'] = 'Your SITE KEY';
$rcmail_config['hcaptcha_secret_key'] = 'Your Secret Key';
$remail_config['hcaptcha_send_client_ip'] = false; // Set true to Sent Client IP to Hcaptcha
$rcmail_config['hcaptcha_theme'] = 'light'; // dark