Initial release. The UIKit components (PhoneNumberTextField, country-code picker, and
CountryCodePickerOptions) extracted from PhoneNumberKit 4.x into their own package as part of
the 5.0 reboot.
- Depends on PhoneNumberKit
5.0.0+. - iOS 13+. UIKit only.
- API is unchanged from PhoneNumberKit 4.x aside from the new
import PhoneNumberKitUI.