feat: varied recaptcha host
<script>CSS = "{{ .CSS }}"</script>
{{ if .ReCaptcha -}}
- <script src='https://www.google.com/recaptcha/api.js?render=explicit'></script>
+ <script src="{{ .ReCaptchaHost }}/recaptcha/api.js?render=explicit"></script>
{{ end }}
<% for (var chunk of webpack.chunks) {
