release changes for v1.5.5

1.5.5

Added support to send platform flag for analytics
Added logout option on conversation screen - Android
Handle Notifications from FCM directly - Android
Added support for AES256 encryption and decryption - Android
Added fix for API <= 19. Current min SDK version is still 16. All bugs have been fixed for lower SDK versions.
Added Edit Message Text box Customization - "messageEditTextBackgroundColor" - Android
Added support to set Custom bot name through Chat Context
Added Support for Android API 33
Threads optimized and multiple crash fixed - Android
Added Support for App Extension - iOS
Fixed add contact permission to info.list issue when app is submitted on App Store - iOS
Added Button to create new conversation on conversation list screen - iOS