v1.6.5

• BREAKING CHANGE: PreviewTapOptions -> TextMessageOptions
• BREAKING CHANGE: isTextMessageTextSelectable -> TextMessageOptions.isTextSelectable
• Add unread messages banner and scroll to the first unread. Thanks @felixgabler for the PR!
• Fix every message re-render on new message added. Thanks @otto-dev for the PR!
• Refactor code to make Flyer chat more accessible for contributions. Thanks @felixgabler for the PR!
• Add imageHeaders. Allows to pass headers to all images used in the chat. Thanks @marinkobabic for the PR!
• Update to Flutter 3.3.3