Basic `PageControl` in SwiftUI without any UIKit components.

Pager.swift

struct PageControl: View {
    
    var numberOfPages: Int
    
    @Binding var currentPage: Int
    
    var body: some View {
        HStack {
            ForEach(0..<numberOfPages) { index in
                Circle()
                    .frame(width: 8, height: 8)
                    .foregroundColor(index == self.currentPage ? .accentColor : .white)
                    .onTapGesture(perform: { self.currentPage = index })
            }
        }
    }
}