情報來源：
iOS 13 running on iPhone Xs Max - NEW Dark Mode
https://www.youtube.com/watch?v=INd9xnH4TPc
tvOS 13: First Look!
https://www.youtube.com/watch?v=M2Tm4wGd9RM
iOS 13 Hands-On: How To Enable Dark Mode!
https://www.youtube.com/watch?v=9SHuYitTAy8
好想裝啊 根本是飢餓行銷
目前看情報好多大家渴望已久的功能都解禁了
結果超難安裝 XD