IOS-71: add Splash screen events and attributes.

1Weather/Analytics/AnalyticsEvent.swift

@@ -96,4 +96,7 @@ public enum AnalyticsEvent: String {
     case ANALYTICS_D3_RETAINED = "D3_RETAINED"
     /// FTUE Funnel: When the user opens the app for the first time
     case ANALYTICS_FIRST_OPEN = "FIRST_OPEN"
+    
+    /// Splash screen: Fired when a user sees the splash screen (for the first time)
+    case ANALYTICS_FTUE_SPLASH_SEEN = "FTUE_SPLASH_SEEN"
 }

1Weather/UI/View controllers/SplashAnimation/SplashAnimationViewController.swift

@@ -59,6 +59,8 @@ class SplashAnimationViewController: UIViewController {
     }
     
     private func noCityAnimation() {
+        analytics(log: .ANALYTICS_FTUE_SPLASH_SEEN)
+        analytics(set: .splashFTUE, to: true)
         self.animationView?.play(completion: {[weak self] _ in
             DispatchQueue.global().asyncAfter(deadline: .now() + 0.5) {
                 self?.appCoordinator.finishAnimation()