Initial release.
Features
- Messages - A list of ChatMessage objects that will be displayed in the chat interface as either incoming or outgoing messages, depending on the current user.
- Composer - The primary text editor where the user can compose new chat messages.
- Action button - This represents the send button, which invokes a callback with the text entered in the default composer.
- Placeholder - This allows you to specify a custom widget to display when there are no messages in the chat.
- Bubble - This holds each message's header, content, footer, and avatar.