how do i create a grid view in swiftui?

Here:

import SwiftUI

struct ContentView: View {
    var body : some View {
        ZStack {
            HStack {
                Spacer()
                Divider()
                Spacer()
                Divider()
                Spacer()
            }

            VStack {
                Spacer()
                Divider()
                Spacer()
                Divider()
                Spacer()
            }
        }
    }
}