Simple SwiftUI example for Lessons in SwiftUI blog post

swiftui-simple-view.swift

import SwiftUI

struct SimpleSwiftUIView: View {
    var body: some View {
        VStack(alignment: .center, spacing: 8) {
            Text("Heading Base")
                .headingBase() // internal modifier
      
            Button("Primary Button", action: {}) 
                .buttonPrimaryStyle() // internal modifer
        }
    }
}