chat/size_detected_widget library

1. chat_toolkit package
2. documentation
3. chat/size_detected_widget.dart

chat_toolkit package

1. Libraries
2. chat/chat
3. chat/chat_configuration
4. chat/chat_controller
5. chat/message/elements/message_element
6. chat/message/entity/failed_message_entry
7. chat/message/entity/message
8. chat/message/entity/message_group
9. chat/message/message_bubble
10. chat/message/message_container
11. chat/message/message_failed
12. chat/message/message_loading
13. chat/size_detected_widget
14. chat_toolkit