UI:
https://developer.apple.com/design/human-interface-guidelines/sign-in-with-apple/overview/
审核:
https://developer.apple.com/cn/app-store/review/guidelines/#design
https://blog.csdn.net/wpf199402076118/article/details/99677412
https://juejin.im/post/5d8c64d151882509606d6b17