Binding https://stackoverflow.com/questions/69685155/swiftui-mutable-focusstate-for-child-viewhttps://developer.apple.com/forums/thread/682448 https://swiftwithmajid.com/2021/08/24/mastering-focusstate-property-wrapper-in-swiftui/https://www.hackingwithswift.com/quick-start/swiftui/what-is-the-focusstate-property-wrapper
