Created onboardingview

Added onboardingview to the app. First use only

Apple/App/BurrowApp.swift

@@ -1,32 +1,44 @@
 import NetworkExtension
 import SwiftUI
 
+@available(macOS 13.0, *)
 @main
 @MainActor
 struct BurrowApp: App {
-    //To connect to the App Delegate
-    @NSApplicationDelegateAdaptor(AppDelegate.self) var delegate
-
-
+    // To connect to the App Delegate
+    @NSApplicationDelegateAdaptor(AppDelegate.self)
+    var delegate
     var body: some Scene {
-        WindowGroup {
-            TunnelView()
-        }
+        WindowGroup(id: "onboarding", content: {
+            OnboardingView().frame(width: 1000, height: 600.0).scaledToFill().fixedSize()
+        }).windowStyle(.hiddenTitleBar).windowResizability(.contentSize)
     }
 }
 
-
+@available(macOS 13.0, *)
 @MainActor
 class AppDelegate: NSObject, NSApplicationDelegate {
-
     static let tunnel = Tunnel { manager, proto in
         proto.serverAddress = "hackclub.com"
         manager.localizedDescription = "Burrow"
     }
 
+    // Verifies app status
+    func checkFirstTime() {
+        let launchedBefore = UserDefaults.standard.bool(forKey: "launchedBefore")
+        if launchedBefore {
+            print("Not first launch.")
+            closeApp()
+        } else {
+            print("First launch, setting UserDefault.")
+            setVisited()
+        }
+    }
+    
     var statusItem: NSStatusItem?
     var popOver = NSPopover()
     func applicationDidFinishLaunching(_ notification: Notification) {
+        checkFirstTime()
         let menuView = MenuView(tunnel: AppDelegate.tunnel)
         // Creating apopOver
         popOver.behavior = .transient
@@ -41,13 +53,10 @@ class AppDelegate: NSObject, NSApplicationDelegate {
             menuButton.action = #selector(menuButtonToggle)
         }
     }
-    @objc func menuButtonToggle() {
-
-
+    @objc func
+    menuButtonToggle() {
         if let menuButton = statusItem?.button {
-
             self.popOver.show(relativeTo: menuButton.bounds, of: menuButton, preferredEdge: NSRectEdge.minY)
         }
     }
 }
-