extract carousel view

Signed-off-by: William Casarin <jb55@jb55.com>

damus/Views/CarouselView.swift

@@ -0,0 +1,60 @@
+//
+//  CarouselView.swift
+//  damus
+//
+//  Created by William Casarin on 2022-05-20.
+//
+
+import SwiftUI
+
+struct CarouselItem: Identifiable {
+    let image: Image
+    let text: Text
+    
+    let id = UUID().uuidString
+}
+
+let carousel_items = [
+    CarouselItem(image: Image("digital-nomad"), text: Text("Welcome to the social network \(Text("you").italic()) control.")),
+    CarouselItem(image: Image("encrypted-message"),
+                 text: Text("\(Text("Encrypted").bold()). End-to-End encrypted private messaging. Keep Big Tech out of your DMs")),
+    CarouselItem(image: Image("undercover"),
+                 text: Text("\(Text("Private").bold()). Creating an account doesn't require a phone number, email or name. Get started right away with zero friction.")),
+    CarouselItem(image: Image("bitcoin-p2p"),
+                 text: Text("\(Text("Earn Money").bold()). Tip your friend's posts and stack sats with Bitcoin⚡️, the native currency of the internet."))
+]
+
+struct CarouselView: View {
+    var body: some View {
+        TabView {
+            ForEach(carousel_items) { item in
+                CarouselItemView(item: item)
+                    .tabItem {
+                        Text(item.id)
+                    }
+            }
+        }
+        .tabViewStyle(PageTabViewStyle())
+    }
+}
+
+func CarouselText(_ txt: String) -> some View {
+    return Text(txt)
+}
+
+struct CarouselItemView: View {
+    let item: CarouselItem
+    
+    var body: some View {
+        VStack(spacing: 30) {
+            item.image
+                .resizable()
+                .frame(width: 120, height: 120)
+            item.text
+                .multilineTextAlignment(.center)
+                .font(.title2)
+                .foregroundColor(Color.white)
+                .padding([.leading,.trailing], 50.0)
+        }
+    }
+}