Ading Screen names to post hog

ScreenNames.swift

import SwiftUI
import PostHog

struct ContentView: View {
	@State private var tabSelection: Int = 0
	
	var body: some View {
		TabView(selection: $tabSelection) {
			Tab("First View", value: 0) {
				FirstTab()
					.postHogScreenView("First View")
			}
			Tab("Second View", value: 1) {
				SecondTab()
					.postHogScreenView("Second View")
			}
		}
		.onChange(of: tabSelection) { fromTab, toTab in
			PostHogSDK.shared.capture("changed tab", properties: ["from": fromTab, "to": toTab])
		}
	}
}