ByLCY 7baeb9c52a Add new captcha: cloudflare turnstile (#22369) ...

Added a new captcha(cloudflare turnstile) and its corresponding
document. Cloudflare turnstile official instructions are here:
https://developers.cloudflare.com/turnstile

Signed-off-by: ByLCY <bylcy@bylcy.dev>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Jason Song <i@wolfogre.com>

2023-02-05 15:29:03 +08:00

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turnstile.go

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