Implement PIN

[flubshi]

curl 'https://age-verification.waipu.tv/api/verification/pin/verify' \
  -H 'authority: age-verification.waipu.tv' \
  -H 'accept: application/vnd.waipu.age-verification-pin-verification-request-v1+json' \
  -H 'accept-language: en-US,en;q=0.9' \
  -H 'authorization: Bearer <jwt>' \
  -H 'content-type: application/vnd.waipu.age-verification-pin-verification-request-v1+json' \
  -H 'origin: https://play.waipu.tv' \
  -H 'referer: https://play.waipu.tv/' \
  -H 'user-agent: <UA>' \
  --data-raw '{"pin":"<pin>"}' \
  --compressed