update readme

BLOCKv.podspec

@@ -5,7 +5,7 @@
 
 Pod::Spec.new do |s|
   s.name                  = 'BLOCKv'
-  s.version               = '0.9.9'
+  s.version               = '0.9.10'
   s.summary               = 'The BLOCKv SDK allows you to easily integrate your apps into the BLOCKv Platform.'
   s.homepage              = 'https://blockv.io'
   s.license               = { :type => 'BLOCKv AG', :file => 'LICENSE' }

README.md

@@ -25,7 +25,7 @@ pod 'BLOCKv'
 
 Within the `AppDelegate` be sure to set the App ID.
 
-```Swift
+```swift
 class AppDelegate: UIResponder, UIApplicationDelegate {
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
@@ -39,6 +39,12 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         } else {
             // show authentication ui
         }
+
+        // Handle user re-authentication
+        BLOCKv.onLogout = {
+            // show authentication ui
+        }
+
         return true
     }
 }