Merge branch 'feature/4231_add_new_loginflow' into 'develop'

MESSENGER-4231 add new loginflow

See merge request bwmessenger/bundesmessenger/bundesmessenger-ios!98

Config/BWIBuildSettings.swift

@@ -427,6 +427,8 @@ class BWIBuildSettings: NSObject {
     
     var onboardingShowAccountPersonalization = false
     var onboardingEnableNewAuthenticationFlow = true
+    // show app specific welcoming screens
+    var onboardingShowWelcomeScreens = true
     
     // ---
     
@@ -525,6 +527,9 @@ class BWIBuildSettings: NSObject {
     // one flag for all layout changes to the element login flow
     var bumLoginFlowLayout = true
     
+    // one flag for app specific layout changes
+    var bwiLoginFlowLayout = true
+    
     // website for users in public service that want a backend
     var bumAdvertizementURLString = "https://messenger.bwi.de/ich-will-bum";